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Get '89 K5 Reliable

green55

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I may have the opportunity to either purchase or (hopefully) be gifted an '89 K5 from my dad. We both have a ton of sentimental attachment to it. It was the first car he ever bought and it was my brother's first car, then my first car. During that 2 years I drove it ('06-'08) we ran into some pretty major issues. Among other things, the transmission went, so that was either rebuilt or swapped out, I can't remember which. Then the engine went 6 months later, which is when I stopped driving it and that was the last time it was daily driven. It sat for 2 years while my dad decided what he wanted to do with it. In the end, he got the engine swapped out. It has basically sat in different locations since then. My dad will get it fixed up once every year or two with intentions of using it, but he never really does.

Long story short, I can't stand it sitting there unused, so I'm going to see if I can get it from him. I mainly want to use it for weekend driving, but my commute is only 7 miles round trip, so I'm sure I'll drive it to work too. I want it to be reliable enough that I can drive it 3 hours to the beach or 2 hours to the mountains for some camping without having to worry about it. I won't be using it for any serious off-road. Just the typical forest/farm roads, etc to get to hunting spots.

Even though it has been sitting, I'm hoping the engine and transmission are still in decent shape since he has had it worked on every couple of years in preparation of driving it. Where I know it needs work is the angle of the drive shaft. My dad had it leafed(?) back in the day and put some bigger tires on it. I guess the drive shaft angles were never corrected because after driving 3-5k miles, the shaking got gradually got worse until the front of the rear drive shaft literally fell out while I was driving one day. Guess the u-joints just couldn't handle it and it finally failed.

How do I go about fixing the drive shaft angles so I don't have to replace the u-joints every 3-5k miles? And what else should I do to make it reliable? How can I learn to do these things? Problem is, I don't know anything about working on cars. I can change the oil and that's about all. I'd like to be able to work on it on my own because I otherwise probably won't be able to afford to keep it running, but I don't know where to start or how to learn.

I know rust is always a concern...the only spot I know of rust is a small spot at the top corner of the tailgate next to the window. But I also haven't seen the car in a year or inspected it thoroughly.
 
I assume a Haynes or Chilton manual would help alot in getting my feet wet. Which do most of y'all prefer? Or a different manual?
 
The factory service manual would be loads better than a Haynes or Chilton. They are available for download on another square site.
 
I have some factory manuals, and an old Chilton's. I use both because I don't remember some things , even after doing the same thing years ago.
So don't worry too much about not having previous experience, just use your head and the sources that are available.
As far as the driveshaft angles , Tom Woods has a good website with lots of technical help.
I hope that you get the K5 and enjoy it!!
 
I drove this '72 K5 to work and back 65 miles each way daily for a long while,until I finally found an apartment closer to work--then still thought nothing of driving it to my parents where I had been living on weekends to do the lawn mowing,dump runs,etc,my ailing father couldn't do any longer...also took it on long trips to NH,and many other places 100+ miles away...

I do not recall ever having it leave me stranded or having to be towed in all of the years I owned it (at least 10 )--I also drove my '81 G-10 van to Nashville TN ,1,130 miles each way with not issues,and it only had a 250 six,which I thought sure would toss a rod struggling to maintain 45 mph on some mountains I encountered in PA and VA!..van also had over 138,000 miles on it too..

I used all my vehicles to go anywhere,regardless of distance..provided they seemed in decent enough condition to do so,I didn't put off doing things like U-joints or ball joints,or other things that would prove expensive and difficult or impossible to repair on the road...(had good tires too,not may-pops like I am running now!)..
my tractors,trucks and garage stuff 022.jpg
Van is looking a bit rough after sitting quite some time now..:(
I hope to resurrect it soon,before its too late,and get some more miles out of it..

Just because its old doesn't mean its unreliable..but of course a lot of mechanical restoration and upkeep is required on an older truck..
You'll probably need all new brake cylinders,calipers,steel lines,and some fuel system repairs before you can trust any truck that has sat a long time on the road..1972 K5 Blazer 4x4 002.jpg
 
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