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  1. #1
    Join Date
    Jun 2012
    Location
    Essex
    Age
    65
    Posts
    195

    Starter Motor ‘Flat-Spot’

    Hi guys I have a 350 Chevy/Tremec T5 fitted with a Mini Hi-torque starter motor – the whole package having covered only 1,800 miles. Just recently when I try to start the car (cold or hot) the starter solenoid (?) clicks as if the battery was flat or low charge, however when I rock the car backwards and forwards in gear, I am then able to start the car….
    Any thoughts as to what the issue might be?
    Thanks Craig

  2. #2
    Join Date
    May 2016
    Location
    Hockley ,Essex
    Age
    56
    Posts
    30
    Hi Craig,
    I would check the out of mesh clearance ,most starter motors are about an eighth of an inch.
    Also check the obvious things like earth cables etc,
    regards ,
    Chris.

  3. #3
    Join Date
    Jun 2012
    Location
    Essex
    Age
    65
    Posts
    195
    Sorry Chris, but could you elaborate a little on what you mean by 'mesh clearance'?

  4. #4
    Join Date
    Apr 2004
    Location
    East Leake, Nottinghamshire, England.
    Age
    55
    Posts
    9,489
    Quote Originally Posted by Doc Craig View Post
    Sorry Chris, but could you elaborate a little on what you mean by 'mesh clearance'?
    I think what he means is that when fitting a starter motor on a Chevy, you are supposed to shim the motor to get the correct engagement of the starter and flywheel teeth. I'm sure someone will soon correct me if I have got that wrong.
    Martin

    351W 416.7 HP and 466.8 ft-lbs

    Running Mega Squirt and Edis 8


  5. #5
    Join Date
    May 2016
    Location
    Hockley ,Essex
    Age
    56
    Posts
    30
    The mech clearance is between starter motor teeth & flywheel and may need a shim to adjust it if to tight as mentioned by Tinka.
    The clearance is fairly critical for correct engagement,
    Hope this helps,
    Chris.

  6. #6
    Join Date
    Jun 2016
    Location
    Nantwich Cheshire
    Age
    52
    Posts
    276
    A standard paperclip is a good gauge.
    If you unfold a paperclip you should be able prod it between your starter teeth and your flywheel teeth.
    If you can't your clearance is too tight. The Real steel website has some good info on the subject.

  7. #7
    Join Date
    Jun 2012
    Location
    Essex
    Age
    65
    Posts
    195
    Thanks guys. I'll get to it

  8. #8
    Join Date
    Jan 2006
    Location
    Chelmsford Essex
    Posts
    801
    There are a few different videos on youtube . This one covers it well. The paper clip is the method most discuss for the mesh gap but this one also covers the depth .

    https://www.youtube.com/watch?v=IVHXmWMKzq4

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