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Need help with truck....transmission or cluth??

Discussion in 'Mechanic and Repair' started by walker-talker, Apr 3, 2004.

  1. walker-talker

    walker-talker LawnSite Platinum Member
    from Midwest
    Posts: 4,771

    The truck is a 1975 Chevy C50 grain truck. The engine is a 350 (if that matters). I recently dumped a load of grass at the local recycling center. It was stubborn so I was popping the clutch and slamming on the brakes (probably not the smartest move). I drove away fine with no problems. The next day is when I noticed something different.

    When I take off in 1st, or normally 2nd, I have to let out on the clutch much more than usual. When the truck takes off, after I have the engine rpm's higher than normal, it take off with a jolt. It's impossible to take off smoothly...most of the time. When backing in reverse, there is no problem similar to this. Cluth....transmission?

    Any ideas?
  2. riches139

    riches139 LawnSite Senior Member
    Posts: 369

    You can try to adjust your clutch linkage, but it sounds like it's time for a new pressure plate and disk.:realmad:
  3. dishboy

    dishboy LawnSite Platinum Member
    from zone 6
    Posts: 4,234

    I think it is the clutch. If you are real easy on it it should smooth out in awhile. My trucks would do this if I am not real careful when loaded.
  4. Joe B J

    Joe B J LawnSite Member
    from Alabama
    Posts: 37

    When trying to get a stuborn load off, use the brakes in reverse only...NEVER "pop" the clutch. Get a run&go in reverse and slam on the brakes.
  5. walker-talker

    walker-talker LawnSite Platinum Member
    from Midwest
    Posts: 4,771

    Yes....I figured this out real quick, but not quick enough. Not only easier on the truck, but gets the load out easier. Thanks for the heads up though.
  6. grass_cuttin_fool

    grass_cuttin_fool LawnSite Gold Member
    Posts: 3,503

    I vote for its time for a clutch and pressure plate

    SCAPEASAURUSREX LawnSite Senior Member
    Posts: 835

    I would check the linkage just to make sure its' not bent or loose , but it does sound like a clutch or pressure plate ?? How many miles are on the clutch ??
  8. walker-talker

    walker-talker LawnSite Platinum Member
    from Midwest
    Posts: 4,771

    I have no idea. I bought the truck about a year ago and have no records. The speedometer has been turned over and not working now.

    Does anybody have an idea of what a clutch and/or pressure plate would cost....installed?

    SCAPEASAURUSREX LawnSite Senior Member
    Posts: 835

    last time I had one done was about 10 years ago and the clutch itself was about $300.oo but that was a Centerforce dual friction, I think a stock replacement was about $200.oo, Check with your local auto parts store on that one, installation ???? I did it myself, and it was not fun. i'll tell you that much... took the better part of a day, and you really cant do it by yourself easily.. need one of those alignment tools and its still tricky.. check an amoco or something for installation they have good warranty coverage..

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