Question about 1989 Chevrolet S-10 Blazer

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My 1989 chevy blazer goes into neutral instead of third gear and overdrive. 1st and 2nd gear work fine. What could cause this? Is it my torque converter or transmission?

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You could pull the trans pan and remove the valve body, and clean.

Not the converter,it is there to build pressure, to supply the valve body and apply fluid to clutch drums, that apply pressure on the clutches for each gear.

If you do remove the valve body to clean, you will need a picture of where the check balls go,when you replace it. Put assy trans lube or vasoline on balls to hold in place. Your working upside down unfortunately.

If the shift valves are free,no sediment, your out of options, unless a servo valve is hung up and doesn't apply a band. They out it comes,and you take it apart,to find the issues

Don't recall solenoids,other than for converter lock-up, back in 1989. Someone else may add to my theory.

Posted on Sep 16, 2010

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I have 89 s10 blazer how do i clean my throttel body out

Posted on Dec 29, 2010

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