Clutch shutter
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Tuned
Joined: Aug 2007
Posts: 287
Likes: 1
Clutch shutter
1988 F250 351
I replaced the clutch, pressure plate, throwout bearing and had the flywheel resurfaced 7,000 miles ago when I put in a new engine. The truck now shutters like crazy in 1st or reverse with a load. Seems to be worse with warm weather and/or a hot engine. The clutch replacement parts were aftermarket not Ford. There doesn't appear to be excessive oil inside the bell when I look through the inspection hole. The drive shaft u-joints are all new and the trans mount bolts and tight. This shuttering is a pain and it appears to be getting worse. Am I looking at a trans pull and a new clutch assembly?
What didn't work here - what's going on?
Thanks
I replaced the clutch, pressure plate, throwout bearing and had the flywheel resurfaced 7,000 miles ago when I put in a new engine. The truck now shutters like crazy in 1st or reverse with a load. Seems to be worse with warm weather and/or a hot engine. The clutch replacement parts were aftermarket not Ford. There doesn't appear to be excessive oil inside the bell when I look through the inspection hole. The drive shaft u-joints are all new and the trans mount bolts and tight. This shuttering is a pain and it appears to be getting worse. Am I looking at a trans pull and a new clutch assembly?
What didn't work here - what's going on?
Thanks
Thread Starter
|
Tuned
Joined: Aug 2007
Posts: 287
Likes: 1
I spoke to a top flight racing mechanic night about doing the job - I don't have the trans jack or I might try it myself. He said there is standard duty and a heavy duty clutch kit available for most applications. He recommended the heavy duty as I pull trailers with skid steers quite a bit. I can't seem to locate the heavy duty type. I tried Advance Auto and went online as well.
Any ideas or suggestions on clutch kits?
Any ideas or suggestions on clutch kits?
Post Fiend
Joined: Mar 2002
Posts: 19,402
Likes: 38
From: Bonita Springs FL
If you're buying clutches at advance auto, I think that's your problem right there.
Go online and get a luk clutch. They are OEM for most manufacturers including Ford.
Go online and get a luk clutch. They are OEM for most manufacturers including Ford.
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Junior User
Joined: Feb 2008
Posts: 54
Likes: 0
From: Buckeye Country
Check your hydraulics, mine did the same thing when I upgraded the clutch on my T18, turned out the standard duty clutch was fine but the master and slave were shot. It's a lot easier and cheaper to fix external hydraulics than to have somebody pull the tranny and tell you there is nothin wrong with the clutch.
Just my thoughts.
Just my thoughts.
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Tuned
Joined: Aug 2007
Posts: 287
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I didn't get the clutch in question from Advance - I was just checking with Advance for a heavy duty application.
If the problem is in the hydraulics I'd still have to have the tranny pulled to get to the slave. And if the master is leaking wouldn't I see fluid on the firewall inside the cab?
If the problem is in the hydraulics I'd still have to have the tranny pulled to get to the slave. And if the master is leaking wouldn't I see fluid on the firewall inside the cab?
Junior User
Joined: Feb 2008
Posts: 54
Likes: 0
From: Buckeye Country
It depends on what transmission you have. My assumption is that an 88 3/4 ton wouldn't have a Mazda 5spd(internal slave) if you have a 4spd then the slave is external, if it's a 5spd then it's probably a ZF I'm not sure what the hydraulics are like on those.
As for the Master, mine didn't leak any fluid that I saw.
As for the Master, mine didn't leak any fluid that I saw.
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