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Author Topic: LML Silverado Duramax C-Max build thread part 4  (Read 69373 times)

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Offline JR

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Re: LML Silverado Duramax C-Max build thread part 4
« Reply #850 on: November 30, 2017, 04:28:14 PM »
Another fluid change,,,,,,,,,,,,,,,,,,,,,,,,,

Yeah, 5 years or 100k. Did mine a couple ago and doing the thermo's will top it off again.

your still putting those thermostats off.....along with the pump rub..........?

Can't find the thermos I bought. To pricey for another set. Yeah, guilty on the pump rub, like the lift and gears I have sitting here,,,,,,,,,,,,



RETIREMENT = Just never seems to be enough time, or I start another project!
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Offline Bob/OlallaWa

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Re: LML Silverado Duramax C-Max build thread part 4
« Reply #851 on: November 30, 2017, 05:48:13 PM »
Give him a break Nate, he has been building for a few months. Bet he finds stuff he hasn't even known was lost when he starts cleaning up after the build is done.

Offline Flyin6

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Re: LML Silverado Duramax C-Max build thread part 4
« Reply #852 on: November 30, 2017, 06:14:08 PM »
Let me borrow the thread just for a moment guys...

Yea...

So I changed the coolant out today. There are several techniques to remove the old fluid. I chose to slice through the small 5/8" lower hose and install a nipple and two clamps after I had drained about 3.5ish gallons. I had three good gallons in the bucket, a goodly amount on the ground and of course soaked up in my sweatshirt and hair.

Here's the bugger hiding right above the front sway bar:
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Offline Flyin6

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Re: LML Silverado Duramax C-Max build thread part 4
« Reply #853 on: November 30, 2017, 06:15:16 PM »
Yea, Nate, the mud is from a mulch bed at the mall!

Here it is without the factory plastic clamp
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Offline JR

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Re: LML Silverado Duramax C-Max build thread part 4
« Reply #854 on: November 30, 2017, 06:16:24 PM »
Hey, someone is on my side. I have been cleaning slowly (another project) but did find I have enough ridge shingles from my garage to finish this room. 

I like that mod Don. Hard to believe they provide no coolant drain on a 50K truck!
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Offline Flyin6

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Re: LML Silverado Duramax C-Max build thread part 4
« Reply #855 on: November 30, 2017, 06:17:43 PM »
Since I was spilling fluid everywhere I decided to spill a little diesel as well. With the Air Dog hummin' this valve houses a schrader that is used to bleed air from the fuel system. I purged it a little just to make things a bit messier.
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Offline Flyin6

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Re: LML Silverado Duramax C-Max build thread part 4
« Reply #856 on: November 30, 2017, 06:19:38 PM »
So here is a couple dollars in parts needed to mod the lower hose to be able to drain fluid there

A double ended 5/8" nipple made for coolant systems and two 3/4" clamps
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Offline Flyin6

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Re: LML Silverado Duramax C-Max build thread part 4
« Reply #857 on: November 30, 2017, 06:21:41 PM »
After installing the nipple, I wrapped the whole assembly with a sectioned radiator hose to provide abrasion protection to the adjacent lower big momma rad hose
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Offline Flyin6

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Re: LML Silverado Duramax C-Max build thread part 4
« Reply #858 on: November 30, 2017, 06:22:42 PM »
Hey, someone is on my side. I have been cleaning slowly (another project) but did find I have enough ridge shingles from my garage to finish this room. 

I like that mod Don. Hard to believe they provide no coolant drain on a 50K truck!
$60K JR...$60K

And that is why I'll drive it a very long time!
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Offline Flyin6

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Re: LML Silverado Duramax C-Max build thread part 4
« Reply #859 on: November 30, 2017, 06:25:38 PM »
Next I topped it up with Dexicool, warmed the engine up and topped it again, and again.

Trucks need to fill up to the "Max" line which is nearly completely full.

I am a bit over 50/50 dexi-H20. At 50/50 I would get protection to -34F which we have not seen here before. We did get down to -29, and some reported -30F, but that is extreme for here (A warm spell for polar bear Sam!)
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Offline wyorunner

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Re: LML Silverado Duramax C-Max build thread part 4
« Reply #860 on: November 30, 2017, 06:54:50 PM »
Hey, someone is on my side. I have been cleaning slowly (another project) but did find I have enough ridge shingles from my garage to finish this room. 

I like that mod Don. Hard to believe they provide no coolant drain on a 50K truck!
$60K JR...$60K

And that is why I'll drive it a very long time!

Thats if your buying GM, ferd wants 80K plus, and they have now claimed the title of having the first 100k truck... We too will be driving our oldies but goodies until they turn to dust!

Offline Sammconn

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Re: LML Silverado Duramax C-Max build thread part 4
« Reply #861 on: November 30, 2017, 07:35:26 PM »
50/50 works for most.

I think I'm inbetween 70/30 and 60/40.
I shoot for -50 or so, can't go much more than 70/30 or it will congeal.
At -40 100% antifreeze freezes, no beuno, and odd.
I just don't want to wind up missing a digit or limb.  I can sometimes get in a hurry to get results.
Sam

Offline Flyin6

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Re: LML Silverado Duramax C-Max build thread part 4
« Reply #862 on: November 30, 2017, 07:57:52 PM »
Hey, someone is on my side. I have been cleaning slowly (another project) but did find I have enough ridge shingles from my garage to finish this room. 

I like that mod Don. Hard to believe they provide no coolant drain on a 50K truck!
$60K JR...$60K

And that is why I'll drive it a very long time!

Thats if your buying GM, ferd wants 80K plus, and they have now claimed the title of having the first 100k truck... We too will be driving our oldies but goodies until they turn to dust!
I'm getting ready to change out the dog hair in the back seat next.

It was providing a protective cover for the carpet.
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Offline JR

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Re: LML Silverado Duramax C-Max build thread part 4
« Reply #863 on: November 30, 2017, 08:50:24 PM »
You know Don, there is a coolant bleed on the themo housing,,,,,,,,,

Mine was 40K. Think they have evened out some, but yeah, I saw that 100K ferd.
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Offline rpar86

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Re: LML Silverado Duramax C-Max build thread part 4
« Reply #864 on: December 01, 2017, 01:15:02 AM »
Charles keeps saying something about how he likes that new $100k f450 Platinum... crazy redneck!

I guess we can live vicariously thru him... ;)
« Last Edit: December 01, 2017, 01:15:48 AM by rpar86 »
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Offline JR

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Re: LML Silverado Duramax C-Max build thread part 4
« Reply #865 on: December 01, 2017, 11:31:05 AM »
If it was red, he might!
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Offline Bigdave_185

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Re: LML Silverado Duramax C-Max build thread part 4
« Reply #866 on: December 01, 2017, 11:31:17 PM »
Don, It looks like that is just a splice for the hose, why not a ball valve or a T of some type?    Either way far better than getting to the three inch hose on the bottom side of the Rad and the kid pool method.  I?ll look at adding that next time I do mine.
I have changed mine twice since owning the truck in five years. First was 100k and second Cooling stack cleaning


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Offline JR

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Re: LML Silverado Duramax C-Max build thread part 4
« Reply #867 on: December 02, 2017, 02:09:38 AM »
Isn't that like a $200 hose? I should probably replace mine since it is 11+ years old and add a petcock there someplace.
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Offline TexasRedNeck

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Re: LML Silverado Duramax C-Max build thread part 4
« Reply #868 on: December 02, 2017, 09:10:11 AM »
If it was red, he might!
Yup. Although the wife would make me get rid of my old trucks and besides I?m even more stupid than that. I?m about to install a pool.  There goes my truck money.


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Offline cudakidd53

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Re: LML Silverado Duramax C-Max build thread part 4
« Reply #869 on: December 02, 2017, 09:27:11 AM »
TRN - ?If momma ain?t happy, nobody?s happy?, a pool will is always a great alternative source of water for SHTF situations too; I?m sure we?ll see you ?cooling your heels? with a snort in your hand poolside too!
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Offline JR

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Re: LML Silverado Duramax C-Max build thread part 4
« Reply #870 on: December 03, 2017, 01:39:47 AM »
I got a fiberglass pool. Done in under 2 weeks cept for the cement.
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Offline Flyin6

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Re: LML Silverado Duramax C-Max build thread part 4
« Reply #871 on: December 31, 2017, 10:10:08 PM »
OK, tire rotation time

Let's talk about these BFG MT's

Ken experienced a vibration, cupping, chunking and the like at 20K

Shawn heate them

After about 5K miles, I am not a fan of these tires. I will not be adding in new ones as these grenade. When the time comes, I'll go back to the Toyos, likely, or some premium tire, I'd say.

So shortly after new I started getting a shimmy. It is there now and it is bad. I get a big vibration at most speeds that I like to use.

So I postulated that when I painted the hubs with that awful nuclear reactor waste masquerading as paint that KBS sells, I may have created an irregular surface which wedged one of more tires at some angle other than true.

Also the rear tires are just being eaten up by that Grizzly locker, so at 5,000 miles I rotated

The spare was still new. Beside it is the right reat tire that the griz has been snackin' on
« Last Edit: December 31, 2017, 10:12:06 PM by Flyin6 »
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Offline Flyin6

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Re: LML Silverado Duramax C-Max build thread part 4
« Reply #872 on: December 31, 2017, 10:14:39 PM »
Basic car maintenance was on the curriculum for the elderly pre-ranger today. He got to do the majority of the work as a learning tool.
I measured things, wire wheeled the hubs, applied paint and grease and generally made a nusiance of myself
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Offline Flyin6

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Re: LML Silverado Duramax C-Max build thread part 4
« Reply #873 on: December 31, 2017, 10:17:44 PM »
I measured all tires-tread depth with both a micrometer and a standard depth gage.

The results clearly show that the rear tires wear at twice the rate of greater, than front tires.

Looking at a new (measured) tread depth of 21/32", most tires were either side of 18/32, but the rear gave me the worst wear eating a couple extra 32nd's.
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Re: LML Silverado Duramax C-Max build thread part 4
« Reply #874 on: December 31, 2017, 10:18:07 PM »
Norm says procomps are good & I like coopers......
Learn the rules like a pro so that you can break them like an artist -Pablo Picasso-

Offline Flyin6

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Re: LML Silverado Duramax C-Max build thread part 4
« Reply #875 on: December 31, 2017, 10:27:04 PM »
So the worst tire shows 17/32's and I do not like to run mud tires much below 8/32's-10/32's, I have 8/32's at best remaining until its time to punch them out.
So I ate through 3-3.5 32nds in 5,000 miles.
That translates to, what, another 15,000 miles until it's time to put new rubber on.

Ouch!

20,000 mile service life. I could run them out to 30,000, but that means nine months of not going down farmside during or after wet weather conditions (Read: Not happenin')

So I have from 9 months to a year of service life remaining. That is horse manure folks!

The good thing is, since they are giving me a poor ride, maybe that is a good thing!
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Offline Flyin6

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Re: LML Silverado Duramax C-Max build thread part 4
« Reply #876 on: December 31, 2017, 10:28:02 PM »
Found, removed, and repaired the damage from this little gem
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Offline Flyin6

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Re: LML Silverado Duramax C-Max build thread part 4
« Reply #877 on: December 31, 2017, 10:29:54 PM »
I cleaned all hubs, and mating surfaces, and applied fresh paint being careful to cover over ice, salt and road grime!
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Offline Flyin6

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Re: LML Silverado Duramax C-Max build thread part 4
« Reply #878 on: December 31, 2017, 10:31:59 PM »
Had to clean out the pins and linkage in the folding step mechanisms. The front had a little droop going on, which I was able to correct with brake cleaner and some fresh lube
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Offline Flyin6

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Re: LML Silverado Duramax C-Max build thread part 4
« Reply #879 on: December 31, 2017, 10:33:03 PM »
Norm says procomps are good & I like coopers......
All too soon, I'll be shelling out for something and going down this road once again.
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Re: LML Silverado Duramax C-Max build thread part 4
« Reply #880 on: December 31, 2017, 10:54:03 PM »
Well, you just reinforced that the jk won?t be getting km?s........

Not that I was really considering them & I was always a bfg fan up until the km2?s
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Re: LML Silverado Duramax C-Max build thread part 4
« Reply #881 on: December 31, 2017, 11:02:12 PM »
One other thing, I had several of these I could not get balanced for my F350 dually. I kept rotating them until I found two I could live with new right out of the gate on the front end. I personally think the QC on these from the factory is crap. My tire place tried to blame the aftermarket chinaman wheels. So I took the oem?s & had them powdered black (original clear had peeled which is why I went to aftermarket). But low & behold the oem wheels had same issues. I give those tires an F rating and kinda like the 6.0L international motor both of those companies owe their customers a lot of money imo.
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Offline Flyin6

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Re: LML Silverado Duramax C-Max build thread part 4
« Reply #882 on: January 01, 2018, 12:35:41 AM »
Not driven yet, so no clue as to if this rotation cured the crappy ride.

I hope I get rich soon. I'll dump these things immediately! No way something this expensive, coming from a company with such a grand reputation should fail so miserably. Are these things made in China, and I missed it? or by prisoners, school children, or some penitentiary or something like that?
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Offline KensAuto

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Re: LML Silverado Duramax C-Max build thread part 4
« Reply #883 on: January 02, 2018, 12:12:46 AM »
D rated tires just aren't made to handle a 10k lb+ truck Don.
They would probably work great on Shawn's Jeep
tho.

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Offline Flyin6

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Re: LML Silverado Duramax C-Max build thread part 4
« Reply #884 on: January 02, 2018, 09:50:52 AM »
D rated tires just aren't made to handle a 10k lb+ truck Don.
They would probably work great on Shawn's Jeep
tho.

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On the tires: Good news!

I must have had one bad one, and it must have been the right rear.

Reason, that is the tire that is currently hanging on the spare carrier and my truck drives completely normally. Now I am not saying that the issue may not reappear, but I am saying that I drove the truck down to the farm 50+ miles pulling the trailer with the outhouse strapped to it (What #3,500 ish??) and back at 45-60MPH and encountered no vibration at all. I had no steering wheel shimmy and with regard to the steering, it was greatly improved. Not much crown on these narrow country roads to speak of and for 75% of the distance there you cannot keep the steering wheel still less than 2 seconds. No exaggeration, the roads are literally constant turns most of the way there! Point with all that being that there is no way to check to see if it wanders following the crown just yet.
If I could keep this ride, these tires would do their job and get me through another year and then I'd upgrade to the "E" rated tires which hopefully, then, I could easily pay for.
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Offline Flyin6

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Re: LML Silverado Duramax C-Max build thread part 4
« Reply #885 on: January 02, 2018, 09:55:43 AM »
And now the not good news: I woke up to -7F temps this morning, then remembered I left the truck outside in those temps because the trailer is still hooked up and I need to go get lumber this morning. So I go out to plug in the block heater and sitting right there on the ground is two, 12" in diameter wet spots.

Those two wet spots are radiator coolant

They are sitting just below the two "humps" in the Fabtech lift kit front cross member which sits just below the front of the engine in line with the water pump and block attachments.

A quick check of the radiator overflow tank shows it to be empty...

Now how much were those gas 2500HD's on closeout??
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Offline TexasRedNeck

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LML Silverado Duramax C-Max build thread part 4
« Reply #886 on: January 02, 2018, 09:59:20 AM »
:thumb on the tires

Water pump ain't the end of the world. 


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« Last Edit: January 02, 2018, 10:04:10 AM by TexasRedNeck »
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Offline Bigdave_185

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Re: LML Silverado Duramax C-Max build thread part 4
« Reply #887 on: January 02, 2018, 10:29:16 AM »
I think don is getting tired of wrenching on things.   I completely understand.   I am to the point in my day where all I do is put out fires at work and fix other peoples stuff. Last thing I want to do is fix my own problems and stuff.  Plus wrenching in the cold sucks!!


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Offline JR

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Re: LML Silverado Duramax C-Max build thread part 4
« Reply #888 on: January 02, 2018, 11:29:32 AM »
Well, with SD at the shop isn't the garage open now?
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Offline Flyin6

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Re: LML Silverado Duramax C-Max build thread part 4
« Reply #889 on: January 02, 2018, 06:45:27 PM »
I think don is getting tired of wrenching on things.   I completely understand.   I am to the point in my day where all I do is put out fires at work and fix other peoples stuff. Last thing I want to do is fix my own problems and stuff.  Plus wrenching in the cold sucks!!


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What he said ^^^^
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Offline Flyin6

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Re: LML Silverado Duramax C-Max build thread part 4
« Reply #890 on: January 02, 2018, 06:55:27 PM »
So after a delicious cup of the Kentucky quoffee, finely ground, thank you very much, I suited up and went investigating.

First of all with the tears out of my eyes from the -7F temps, I could finally see! The coolant level was not low much at all. In fact, maybe only 3/4" below "Max"

Then I think I may have found the source of the weeping. Not a good spot mind you, and I could not confirm this is actual origin, but I have it up this far, so far
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Offline Flyin6

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Re: LML Silverado Duramax C-Max build thread part 4
« Reply #891 on: January 02, 2018, 06:56:42 PM »
Whatever is leaking, it is a small leak indeed.

It took less than a pint to top up the system before firing it up
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Offline Flyin6

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Re: LML Silverado Duramax C-Max build thread part 4
« Reply #892 on: January 02, 2018, 06:57:36 PM »
This is the highest spot I can trace the leak to at this point:
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Offline Flyin6

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Re: LML Silverado Duramax C-Max build thread part 4
« Reply #893 on: January 02, 2018, 07:00:55 PM »
I drove it all the way down to the farm, stopping several times to make purchases, or eat. And at no time did it leave a single spot on the tarmac like it did at home...!!! Weird

Can it be that the severe cold caused some seal or hose to contract enough to initiate a leak, but sealed back up with the application of heat?

At this point I am keeping an eye on it
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Offline Bigdave_185

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Re: LML Silverado Duramax C-Max build thread part 4
« Reply #894 on: January 02, 2018, 07:08:15 PM »
That is a solid hose that runs to the top of the Rad? What hose is that Don?


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Offline Bob/OlallaWa

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Re: LML Silverado Duramax C-Max build thread part 4
« Reply #895 on: January 02, 2018, 07:09:37 PM »
Don, auto fix rarely works but good luck to you

Offline TexasRedNeck

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Re: LML Silverado Duramax C-Max build thread part 4
« Reply #896 on: January 02, 2018, 07:14:46 PM »
Don my LB7 water pump leaked intermittently for a year and then got worse.


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LML Silverado Duramax C-Max build thread part 4
« Reply #897 on: January 02, 2018, 07:15:38 PM »
...Can it be that the severe cold caused some seal or hose to contract enough to initiate a leak, but sealed back up with the application of heat?...
That kind of stuff happened to our fertilizer and dump trucks all the time. Retightening hose clamps after they were warm seemed to help. It only happened in extreme cold though and on those rigs it was acceptable since we didn?t run them much in those temps.
« Last Edit: January 02, 2018, 07:17:31 PM by longball »

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Re: LML Silverado Duramax C-Max build thread part 4
« Reply #898 on: January 02, 2018, 07:22:40 PM »
Yeah, working in these temps sucks. How tall is your truck?  I have some space in the garage (just a couple thousand square feet) and it hasn?t dropped below freezing in there yet.  Let me know if you want s relatively warming place to work on it.

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Re: LML Silverado Duramax C-Max build thread part 4
« Reply #899 on: January 02, 2018, 07:28:02 PM »
Yeah hose connections leak during winter, the rubber shrinks. That connection doesn't have a clamp tho, correct? Just a plastic ring? Might have disturbed it when you installed the drain...

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