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Chevrolet Tracker Power switch

4 messages,  Last post on May 23, 2009 at 9:10 AM

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#1 of 4 Power switch by tracker20 Aug 10, 2008 (11:39 am)
I bought a 2000 4x4 Chevy Tracker with a 2.0L 4 cylinder motor, 4 speed automatic transmission. It shifts a little hard and gets poor gas mileage. It doesn't seem to matter when you put the power switch in power or normal it shifts the same. Could it be that it is stuck in the power mode. Any suggestions or answers would be very much appreciated. Replies to this message: arkainzeye (Oct 05, 2008 6:52 am) rengelken (Oct 05, 2008 4:11 pm) vanner1 (May 23, 2009 9:10 am)
#2 of 4 Re: Power switch [tracker20] by arkainzeye Oct 05, 2008 (6:52 am)
Replying to: tracker20 (Aug 10, 2008 11:39 am) when was the last time you had the transmission fluid and filter replaced?
#3 of 4 Re: Power switch [tracker20] by rengelken Oct 05, 2008 (4:11 pm)
Replying to: tracker20 (Aug 10, 2008 11:39 am) The power switch is not so much for shifting as it is for providing more power when climbing hills or quicker acceleration is needed. I suspect you very much need your transmission fluid replaced.
#4 of 4 Re: Power switch [tracker20] by vanner1 May 23, 2009 (9:10 am)
Replying to: tracker20 (Aug 10, 2008 11:39 am) Power switch changes the "hard shift" points. You'll go higher in rpms before it upshifts. Lets it get to the "optimum" torque peak or near there anyway.   I agree with the others - you should have the transmission serviced or at least the fluids dropped and refilled. I recommend a complete flush and new filter and modulator valve if it hasn't been done. Fluids should be changed at probably 75K miles.   You can easily check to see if you're frozen in the power mode by turning it off and seeing at what rpm on the tach it shifts from first to second under full acceleration. Ten turn it on and check again.   My 2000 Tracker 4dr with the 2.0L 4 now at 117K miles is one of the very best vehicles I've ever owned and I've owned a few good ones.   I do wish they had never used those stupid plastic "Christmas Tree" posts to anchor on all the exterior plastic. I've been chasing around replacing the missing ones on almost a weekly basis lately!

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