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shuddering at the lights, why????

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by tacoma, Aug 13, 2005.

  1. tacoma

    tacoma 1/2 ton status

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    89 Blazer with a 700r4: shudders at lights, MUCH less so in N, so I'm guessing somehow trans-related. I haven't checked to see what it does in D, so no info on that.

    Shakes pretty good. What might be causing this? I am hoping you'll all jump right in and say "ooooohhh yeah, that's the 89 Blazer Shake, smack the glovebox with a #2 Phillips and you're good to go" BUT I DOUBT THAT"S GONNA DO IT!!!

    thanks in advance, fellers, yer a swell bunch. :bow:

    --Tacoma
     
  2. ryoken

    ryoken Puppy Fabricator Premium Member GMOTM Winner

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    sounds like it may be a bad tranny mount to me....
     
  3. dremu

    dremu Officious Thread Derailer Premium Member

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    Umm, could be that the idle speed is low, or may you just need a tuneup as the idle is rough?

    Sure, could be motor mounts or tranny mounts ... but check the basics first. Plugs and wires, ignition parts as appropriate for your year? (cap, rotor, whatever.)

    -- A
     
  4. tacoma

    tacoma 1/2 ton status

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    right now I"m leaning towards the tranny mount myself, as the vibrations almost stop in neutral.

    find out in a little bit, I"m going out to try and find the cause!!

    edit: cap, wires, rotor, coil, all new and right parts.
     

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