VEHICLES, CAMPERS, and BOATS > General Vehicle Related Discussion
1986 K5 Blazer
dave945:
So I had to drive the blazer for a week or so while the Honda Odyssey was down waiting for radiator and fan replacement. It highlighted some issues that need to be resolved. Just for some background, it’s got a 5 liter v8 with a 700R4 transmission and NP208 transfer case, and sits on 3/4 ton axles front and rear. Here are the issues I noticed over the couple days I drove into the office 60 miles each way.
1) engine was boiling the coolant out and onto the overflow. Think I may have a stuck thermostat.
2). Transmission is leaking some and not shifting very cleanly/consistently. This tranny was rebuilt maybe five years ago, I’m doubting the quality of the rebuild.
3). Vibration/groaning on letting off the gas pedal at higher speeds. Seems like it might be coming from the driveshaft area, but not sure yet.
4). Steering is loose/has a lot of play in it.
5). Brakes tend to be a little touchy, I’m guessing it has to do with the large drums in the rear on the 14 bolt FF axle.
My goal is to get the truck into a condition where daily driving is possible and even comfortable. Optimally, it would be solid enough for my wife to be comfortable driving it. We’ll see how it goes.
I don’t have any set plans at this point and I’m open to ideas and suggestions. I’ll try to keep this updated as work gets done.
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stlaser:
3) u-joint or u-joints
5) I have a disc conversion kit for that axle, regardless a $40 Wilwood adjustable proportioning valve might help
Bigdave_185:
Start with a oil change. End with a parking lot land mark
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dave945:
--- Quote from: Bigdave_185 on October 17, 2018, 01:18:06 AM ---Start with a oil change. End with a parking lot land mark
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--- End quote ---
Oil change.....so you’re saying I should do a duramax conversion with Allison transmission and put portal axles in? I’ll have to consider it. At least I know where a diesel shop is, there’s a big green landmark already there.
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dave945:
--- Quote from: stlaser on October 16, 2018, 11:22:18 PM ---3) u-joint or u-joints
5) I have a disc conversion kit for that axle, regardless a $40 Wilwood adjustable proportioning valve might help
--- End quote ---
I’ll check the u joints on the driveshaft. I need to check my angles too, something i keep telling myself to do.
How much is the disc conversion kit? I’ve considered doing that before just to shave 100 pounds off the rear axle.
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