Chattering Clutch?
Thread Starter
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Freshman User
Joined: Apr 2006
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From: Idaho
Chattering Clutch?
Hi Guys, I had a question and may just end up making an idiot of myself.
I have a 1990 F-250 5 speed manual, 7.3L, 4.10 and when I take off in second it usually wants to chatter or do some short jerking with me. Is this normal? Should I only be taking off in 1st?
Thanks!
I have a 1990 F-250 5 speed manual, 7.3L, 4.10 and when I take off in second it usually wants to chatter or do some short jerking with me. Is this normal? Should I only be taking off in 1st?
Thanks!
Post Fiend
Joined: Nov 2004
Posts: 5,638
Likes: 1
From: Manitoba
Do your starts in first....is advised, the ZF 5 is a 4 speed with overdive trans. So best to not force the dual mass flywheel to much. there could be other problems with the DM also.... Do you have serious rattling on start or shutdown.......
One of the guys here asked me was your wife in the cab when chattering occurred..
One of the guys here asked me was your wife in the cab when chattering occurred..
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Freshman User
Joined: Apr 2006
Posts: 26
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From: Idaho
Thanks, I figured that would be the best solution. Guess I just be getting off the line a bit slower. It does rattle a little bit on shut down. What does this indicate?
Yes, she's in the cab a lot when it happens.....never thought of that.....
Yes, she's in the cab a lot when it happens.....never thought of that.....
Thread Starter
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Freshman User
Joined: Apr 2006
Posts: 26
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From: Idaho
Come to think of it, it chatters the most when my father in law is in the cab.....
Another question...I just replaced the water pump and have noticed the the truck seems to run cooler. Is this possible or am I imagining things?
Another question...I just replaced the water pump and have noticed the the truck seems to run cooler. Is this possible or am I imagining things?
Post Fiend
Joined: Nov 2004
Posts: 5,638
Likes: 1
From: Manitoba
It may........what did the inner impeller look like on the old one... Have you ever done a fan test.......it could be locking up too soon or not releasing soon enough which would cause extra cooling.
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Freshman User
Joined: Apr 2006
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From: Idaho
PLC7.3, I tried looking up your link and couldn't find what you were getting at. How does this fan test work, anybody?
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Last edited by datamover; Apr 1, 2007 at 09:25 PM.
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dose the truck have an aftermarket dual friction clutch?if so it will chatter at rpm to low for that gear,to low an rpm at take off,missaliment of the clutch.are a few comon ones.the dual friction clutch set up is so big they do make a little more noise at take off and shut down.ever hear a big rig when they shut down you hear a big clang.thats that masive clutch comeing to a stop.a dual friction in your truck will do the samething.you should hear mine not only did I instal a stage 3 dual friction I also went from the stock 11in clutch diamiter to a 12in diamiter clutch. Center Force babey I love um