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  1. S

    2003 yukon 5.3L p0420

    Hope this is in the right section. My check engine light came on yesterday and i got fault code p0420 catalytic converter effiecency. I have about 78,000 miles. Anybody else that has had this issue?
  2. S

    Rear diff service

    Hey guys what fluid do you recommend for the rear differential thanks.
  3. S

    front control arm bushings and ball joints

    Ok cool thanks for the link.
  4. S

    front control arm bushings and ball joints

    Hey guys i have a 2003 yukon.ive noticed recently that while im driving the front end is really hard and kinda bouncy.The bushings and ball joints are all shot in the fornt lower and upper control arm.Do i have to replace the whole arm assemblies?If so where do you recommend i get the...
  5. S

    a/c compessor locking up

    is this common problem on these.i thought my tensioner just went out but i replaced the tensioner and belt and a few days later aain tensioner went out and snapped the belt.
  6. S

    drive belts

    cool thanks for the help
  7. S

    drive belts

    hey guys im new here and i tried to search but didnt find anything is there a how to on changeing the drive belts on 5.3L motor i have a 2003 yukon

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