07 Chevy suburban making a whistling noise loss of power and tranny keeps downshifting

Asked by Earl May 04, 2015 at 12:01 AM about the 2007 Chevrolet Suburban 1500 LTZ 4WD

Question type: Maintenance & Repair

1 Answer

Could be your converter. When they get clogged up, the back pressure causes a whistle noise and you will lose power.

Your Answer:

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