Tranny Problem?
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Tranny Problem?
I have found a new problem with my '97 4x4 f150 and I'm hoping for something other than the worst. The mileage is unknow as it was supposed to have 30k on the tranny when I got it but who knows. It has always felt a little hard kicking into OD and down on the highway, but the other day as I stopped at a stop sign and the truck completly stopped and then it thumped. It felt like it was just under me. It was snowing bad so I thought nothing of it. But it has happend for 2 days now. The U-joints appear ok and the tranny fluid level is fine. Any ideas are really appreciated.
Tuned
Joined: Jul 2004
Posts: 282
Likes: 3
Sounds to me like you have the popular stop/start slip yoke 'clunk'.
https://www.ford-trucks.com/forums/4...ighlight=clunk
https://www.ford-trucks.com/forums/4...ighlight=clunk
Senior User
Joined: Aug 2003
Posts: 216
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From: The first capital of Ohio
Hi ahall8, Consider checking your transmission mounts for broken rubber. Also consider servicing the transmission. Filter, fluid and such. You may not know how many miles are on the tranny but at least you'll know when it was last serviced. This will give you a chance to see if there are any foreign products in there too. All in all... I am also leaning toward the slip yolk clunk with "wgotthardt". Joe
Senior User
Joined: Aug 2003
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From: The first capital of Ohio
Seeing IS believing. But remember, Believe nothing that you hear and 1/2 of what you see. Let me know what you find. Hey, keep your nose open for a smell of burned fluid too. Joe
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Posting Guru
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From: duncan oklahoma
try this part # at your locl ford store.. 5L3Z-19A506-A. this is the slip yoke grease that is suppose to fix the slip bump you feel when the truck comes to a rest.make sure you dont get the drive shaft out of phase when disassybling it.
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Tuned
Joined: Jul 2004
Posts: 282
Likes: 3
Originally Posted by l-m tech
try this part # at your locl ford store.. 5L3Z-19A506-A. this is the slip yoke grease that is suppose to fix the slip bump you feel when the truck comes to a rest.make sure you dont get the drive shaft out of phase when disassybling it.
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