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  #16  
Old 10-17-2011, 01:38 PM
Rickster56 Rickster56 is offline
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Default Re: Clunk when I hit the gas from a stop

Quote:
Originally Posted by FX4OR View Post
maybe im reading it wrong, but this sounds textbook as a slip yoke in need of grease.
yes its called slip yoke,thats what mine is doing too,pulled cover to see its slipping to far back.so how do you fix this problem?grease really?i didnt know it was called slip yoke,thank you!bit a piece off one gear on the slip yoke.
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  #17  
Old 10-19-2011, 07:22 PM
zman7125 zman7125 is offline
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Default Re: Clunk when I hit the gas from a stop

Solution #2: It could also be a u-joint going bad in the driveshaft. Put the truck on flat ground, CHOCK the tires from rolling forward or backward, put it in neutral, and check for sloppy/loose parts while your under there. You'll have to really jerk the driveshaft in different directions and watch/listen for movement.



Turns out that's what it was, a bad U Joint. I figured as much as I could begin to hear it when I'd shift the truck between Drive & Reverse. The front end slop seems to be my wheel bearing on the passenger side (again what I figured since I could hear a grind & it was a little sloppy only turning to the right). Hope this helps man, see if you can have your U-Joints checked out & maybe even do them yourself their not too difficult. I'd do them myself but don't seem to have the time these days...
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  #18  
Old 10-20-2011, 11:28 AM
tiabt tiabt is offline
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Default Re: Clunk when I hit the gas from a stop

have the same prob.thank all for the advice
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  #19  
Old 11-12-2011, 06:38 PM
gdw6813 gdw6813 is offline
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Default Re: Clunk when I hit the gas from a stop

I had a mechanic take a look today and he said that my transmission mount is broken and that my motor mounts were worn too. I crawled underneath and pushed and pulled on the transmission and you can definitely flex the whole thing a decent bit by hand... I'm pretty sure it shouldn't be able to move this much by hand. I think he's probably right because there is a slight delay before it clunks, both as you take off and as you come to a complete stop. I think the slight delay is due to the auto tranny starting/stopping trying to turn the wheels. Does that sound right?

Edit: I'm looking at ordering these. Are these decent prices/manufacturers? I don't know what all the good Ranger parts vendors are, where do you guys like to buy your parts?

http://www.autopartswarehouse.com/sk...%26+Drivetrain
http://www.autopartswarehouse.com/sk...%26+Drivetrain
http://www.autopartswarehouse.com/sk...%26+Drivetrain

Double Edit: Or RockAuto has them for even cheaper.. Anchor brand.
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Last edited by gdw6813; 11-12-2011 at 07:26 PM.
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  #20  
Old 11-13-2011, 04:08 PM
zman7125 zman7125 is offline
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Default Re: Clunk when I hit the gas from a stop

Just update; u joints did help but I then double checked my driveline and realized carrier bearing is shot as well.
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SOLD: 1997 Ford Ranger STX 4x4

Current:LIFTED 1995 Ford F150 351W 4x4

WINTER BEATER: BLACK 2000 FORD EXPLORER LIMITED AWD 5.0L V8
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  #21  
Old 11-27-2011, 06:20 PM
tiabt tiabt is offline
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Default Re: Clunk when I hit the gas from a stop

it was the slip yoke! thanks all
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  #22  
Old 11-30-2011, 05:37 PM
gdw6813 gdw6813 is offline
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Default Re: Clunk when I hit the gas from a stop

Update: engine and trans mounts replaced. Didn't help. The mechanics had it up on the lift when I got there and they said they think it's because my rear suspension is really worn out. The shocks, springs, shackles, etc. are all super rusty and the bushings are worn pretty bad. They think there's play in the suspension that translates into a clunk felt throughout the whole trunk when I go and stop. They also said they checked the slip joints in the drivelines and they were ok. Luckily they were nice enough to cut a bunch off of the bill since they misdiagnosed the clunk. They also pointed out that the frame crossmember right in front of the spare tire is rusted so bad, part of it is gone.... So, yeah...
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Last edited by gdw6813; 11-30-2011 at 05:40 PM.
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  #23  
Old 11-30-2011, 06:18 PM
Chipsta040365 Chipsta040365 is offline
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Default Re: Clunk when I hit the gas from a stop

Climb underneath and inspect your u-joints.

It is a simple test grab the drive shaft and try and twist if there is any play... it is your u-joints.

Where specifically do your hear or feel the Clunk?
Front or back of Truck?

U-joints are not that hard to do, if you need help just ask.
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