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Anybody knows what is the original size tire for 1990 K5 ?

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by surfer, Jul 27, 2000.

  1. surfer

    surfer Registered Member

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    Location:
    Istanbul / Turkey
    I'm having some problems with my transmission. I have 33x12.5 tires on my blazer K5 and have a disturbing noise after I stop. It looks like the transmission lowers to gear one after I stop. Could this happen because of bigger tires ?

    By the way thanks to everone for the answers for my last weeks problems. They were very very usefull.
     
  2. JoeAngelicchio

    JoeAngelicchio 1/2 ton status

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    Original size is probably 235/75-15. I doubt the tires are the problem.

    <font color=green>Joe Angelicchio
    86 Jimmy 4+3, 35-&gt;39.5 tires,4spd
    </font color=green>
    [​IMG]
     
  3. Blazer1970

    Blazer1970 1/2 ton status

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    I think you could get 31X10.50s optional. I also agree that it is not the tires. I had a tired 700R4 in my '88 pickup that would do the same thing, downshift with a bang into first after you were stopped. Tranny kept going for a long time that way though.

    Tim

    1970 Blazer CST 4X4 350 SM465 NP205
    1987 Suburban 4X4 350
    1988 Chevy Pickup 4X4 350
     
  4. Dave

    Dave Registered Member

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    My '90 is supposed to have 31's....It has 32's on it (last owner install) and I have no tranny problems. What actually seems to be happening is that the Torque Converter Clutch Solenoid in the tranny isn't operating properly. It's a fairly cheap fix. The part(s) are under $40 total. The solenoid and a side cover gasket for the tranny is about all you'll need.


    Dave Hiller
    90 K-5
    "The Anti-SUV"
     

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