1990 Jeep Cherokee 1990 Jeep knocking in the back and losin

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LIGHT4255
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  • 1 POST
Engine Performance problem
1990 Jeep Cherokee 6 cyl Four Wheel Drive Automatic

when i am driving down the road the jeep runs fine intill i get around 55mph or so. after i hit 55 it starts to knock in the back like the back breaks are tighting up and i let off the gas and it starts to run fine again,, and when i give it gas it starts to knock and feels like it wants to lose power, i just changed the fuel filter and was hoping that would fix the problem but as soon as i drove it again it started acting up again, and i was only able to drive 25-30mphs back home,, if anybody can help me with and ideas that would be great.. thank you
Jan 12, 2010 at 4:17 AM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,248 POSTS
If there is a knocking noise, check the rear differential fluid, and make sure the universal joints to make sure they are tight.

Let me know what you find.

Joe
Jan 15, 2010 at 8:55 AM
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