Sort of O/T but my new to me farm truck

old

Well-known Member
I have a 1986 Isuzu pup pick up truck. Well it runs well and drives well but has this bad squeak. It has had it for years when my dad drove it and I and others tried to get rid of it but when we did it would come back in 30 days or less. Any good ideas of how to fix it. It comes from the front end suspension and grease, oil etc has only stopped it for a very short time and boy it sure is annoying. Sort of wish I could just stick it into an oil bah but I don't have a tub that big or the oil to fill it LOL
Hobby farm
 
Wild guess.. Pulled bearing several times on a 4-wheel chevy for squeak with no luck finding it. It Was the spring shakle rubbing on the edge of the spring. A dob of grease on the bright spot cured it.
 
Nope not the problem. Its in the suspension parts and there is no rubbing any place. It has done this for decades and my dad was ok with it but here could not hear well any more but me it drives me crazy but he gave it to me and it cost less then $200 to get back on the road but I hate the squeak. It even does it if you step on the bumper or sit down in it.
 
Could be a control-arm bushing. My 85 Isuzu PUP is 4WD, so the front end is a bit different than yours if 2WD. I think they both have control arm suspension with bushings that can squeak.

I just had mine all part to repair a half-shaft. Isuzu designed the 4WDs so the front differential has to be removed to change a shaft. I couldn't believe it at first, but found out it is indeed true.

Your squeak reminds me of going with my dad to pick up the only new car he ever bought. A 1959 Ford. It had controls-arm bushings that squeaked since the day he got it. Over a 100K miles, they still did.
 
Get someone to push on the bumper while having someone else with good ears and perhaps a card board tube similar to those in Christmas wrap to use as a stethoscope searching the suspension areas for the noise source. Could be bushings, coil rub, shock mount etc.
 
Get under it with water hose and very carefully one at a time wet the places that can squeak . Have someone else get in and out of truck so you can hear the squeak. should work.
 
Old, unhook the sway bar from the frame and bounce it to see if goes away. 14mm wrench if I remember right. Kevin
 
I had a ford courier truck once that had a squeek in it that was driving me crazy, the only time it didnt squeek was when it was raining.. When I fianally found the noise, it was coming from the lower ball joint that had no grease fitting from the factory... I took a scribe and put a small pin hole in the rubber boot on the ball joint and filled it with lithium grease and took care of that "pesky noise" for a long time.... When the noise started slowly coming back then it was time for more lithium grease with the small tube on the end of the spray tip to do its job.... BTW, the ball joint was in good shape all this time and when I sold the truck I told the new owner how to deal with the noise... It only was one joint... funny but true!!!!! Good Luck , Larry
 
Don't be bothered with the squeak that has been there for years. On a beater truck like that just drive it and be happy.
 
Check all the simple stuff, but don't discount the ball joints (even though they look tight. My wife's car was squaking also off and on for a couple of years. Just went through inspection a few weeks ago and everything was fine. Wheel bearing was making noise, so took it to a shop to have the whole thing checked out with the idea of fix it or throw it away based on repair cost. Only needed a couple of parts, ordered them,guy from the shop called with a problem. He was driving the car out of the shop and a ball joint poppet out of socket. Guess it had been bad all along, just not showing up by just a quick check.

Good Luck,


Dave
 
My toyota does the same thing. Try spraying between the leaf springs with cheap WD-40 stuff. Toyota has a fix - I"ve heard that it amounts to thin layers of hard plastic which go in between the springs?

Good luck Old.

Bill
 
Get one of those stereos like they put in cars on Overhaulin with the big amplifier and turn it up real loud.Preferably hard rock and you wont hear the squeek any more somewhere around the time the music starts to vibrate your chest.
 
I'd think it was the ball joint also but it has done this for the last 90,000 miles or so and if it was the ball joint or joints it would have let loose a long time ago with the type of roads it drives on all the time
 
I had a '59 Chevy that I put a remote grease kit on. This is a kit that runs grease tubes to a grease bank under the hood from the ball joints and the tie rods. I found that the ball joints would start squeaking after a very short time, unless I jacked up the car to take the load off of the ball joints. Greasing with the load off the ball joints ended the squeaking. You might try this.
 
That's got the torsion bar front end, right? Look at the torsion bar mounting point both at the frame and on the control arm- should look like a big hex. )often the edges start to round and that creates noise. As an aside, my deisel isuzu p'up just let the torsion bar mounts rot right offa it...major lowrider now.
 

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