Question about 1993 Jeep Grand Cherokee

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4x4 whining noise

1994 suburban 4x4, it whines at hi pitch at take off and till second gear engages, is that a low transmission fluid prob?

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  • glensnewest Aug 01, 2009

    Thats what I was afraid of, worn bands. very costly. :(

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First, Check the transmission fluid level. Add more if it is low! If the noise continues, change your transmission fluid and assure that your transmission fluid level is correct. When changing transmission fluid you must drop the pan on the bottom of the transmission(You will know it immediately upon climing under transmission) it usually has10-15 small bolts holding it in. CHANGE THE TRANSMISSION FILTER WHEN CHANGING THE FLUID! If this doesn't quiet or fix the problem, then it sounds like your synchronizers or the bands in your transmission are worn(Thus the reason the whine goes away when it hits second gear) but check the cheaper of the two problems first. The synchronizers or bands are unfortunately a repair shop problem. I ran one of my vehicles for about 25,000 miles before having it serviced but I can't guarantee you the same amount of luck. Good Luck

Posted on Aug 01, 2009

  • David Krensavage Aug 01, 2009

    First, Check the transmission fluid level. Add more if it is low! If the noise continues, change your transmission fluid and assure that your transmission fluid level is correct. When changing transmission fluid you must drop the pan on the bottom of the transmission(You will know it immediately upon climing under transmission) it usually has10-15 small bolts holding it in. CHANGE THE TRANSMISSION FILTER WHEN CHANGING THE FLUID! If this doesn't quiet or fix the problem, then it sounds like your synchronizers or the bands in your transmission are worn(Thus the reason the whine goes away when it hits second gear) but check the cheaper of the two problems first. The synchronizers or bands are unfortunately a repair shop problem. I ran one of my vehicles for about 25,000 miles before having it serviced but I can't guarantee you the same amount of luck. Good Luck!

  • David Krensavage Aug 01, 2009

    First, Check the transmission fluid level. Add more if it is low! If the noise continues, change your transmission fluid and assure that your transmission fluid level is correct. When changing transmission fluid you must drop the pan on the bottom of the transmission(You will know it immediately upon climing under transmission) it usually has10-15 small bolts holding it in. CHANGE THE TRANSMISSION FILTER WHEN CHANGING THE FLUID! If this doesn't quiet or fix the problem, then it sounds like your synchronizers or the bands in your transmission are worn(Thus the reason the whine goes away when it hits second gear) but check the cheaper of the two problems first. The synchronizers or bands are unfortunately a repair shop problem. I ran one of my vehicles for about 25,000 miles before having it serviced but I can't guarantee you the same amount of luck. Good Luck!

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