got a clunk
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Elder User
Joined: May 2002
Posts: 794
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From: American by birth, TEXAN
got a clunk
i have a 1990 f150 w/ 302 and aod, and when it shifts from 2nd to 3rd i almost always get a clunk even when i keep it at as low an rpm as possible. dad says u joints, could it also be where my drive shaft enters my rear axle? or tranny? thanks for any help...
eric
eric
Senior User
Joined: Jun 2003
Posts: 176
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From: Massachusetts
got a clunk
I have the same clunking on my 93 f150. Just as you say, even when barley touching teh gas on level road. Comes and goes. Mostly it's there. I got rid of it for 3 months with tranmission additive. Now it's back. I think it's the transmission govenor sticking.
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Joined: Aug 2003
Posts: 1,859
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got a clunk
If you have slack in your ujoints you can hear it when you shift from forward to reverse and back, do this with the truck parked. Don't do anything to hurt your truck, the idea is to load the shaft one way and then the other, if there is slack you will hear it. Crawl under there and shake the shaft or pry on it with a screwdriver and sometimes you can see movement. Rusty powder on the cup seals is also an indication.
