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  1. C

    I/M Readiness -Evap Monitor not Ready

    Thanks will print it out and go with it.
  2. C

    I/M Readiness -Evap Monitor not Ready

    Thanks rocket man will give it my best shot.
  3. C

    I/M Readiness -Evap Monitor not Ready

    Have performed numerous drive cycles as per GM document, checked fuel cap okay no DTC codes. Evac monitor will not reset. I live in NY dont know with how many if any monitor not ready monitors permitted. Where else can I check for possible leak. I am also told this is an ongoing problem with...
  4. C

    Scanner Selection

    Looking to upgrade to Snapon Modis scan/lab scope or Vantage Legend stand alone scope. Anyone out there in favor of combo or stand alone units. Any pros or cons? Am presently using OTC genisys 5.0 scantool, no scope. Recently trying to revamp Snapon ls2000 scope terrible brightness, in...
  5. C

    Auto ride compressor not kicking in

    Trailer size 16ft. flatbed weighing in at approx. 1500lbs mt weight with max allowable weight of approx. 3500lbs. will need about 6 inch drop hitch or as you suggested, an adjustable one. Thanks Cags
  6. C

    Auto ride compressor not kicking in

    Did turn key to run position ,did not hear any air but pump did cycle on and off with about 1/4 of lift on rear end. Thanks again, will do some further testing
  7. C

    Auto ride compressor not kicking in

    On my 2005 Yukon I would hookup flat bed trailer and air compressor would kick on and level off vehicle. Needed to lift trailer hitch about 2-3 inches to engage tongue to ball. I now have 2013 Tahoe. I now have to lift trailer hitch 8 inches to engage tongue to ball, and compressor does not kick...
  8. C

    Shutter at approximately 58 mph

    hey kendall,did check my axle shafts all okay reinstalled and continuing tshooting. I did notice a drop in rpm when approaching 58mph and slight fluctuation on tach needle. Looks as if lockup in 4th is teeter tottering. Am thinking tcc solenoid or possible clutch. Will go and check filter...
  9. C

    Shutter at approximately 58 mph

    Hey Scott, Yes I have a awd Yukon. Thanks again Joe
  10. C

    Shutter at approximately 58 mph

    Hi Scott, I will get my 35mm impact socket and start to yank them out. Look like it pays to buy new shaft instead of trying to change ujoint inside of boot. Thanks a million. Will keep you tuned. Joe
  11. C

    Shutter at approximately 58 mph

    Hi Eric, Shudder occurs on accel only, when I let off on the gas pedal, shudder disappears. Now, noticed happens at 58mph or when approaching 45-50 mpg but when letting off the pedal shudder disappears. Thanks cag
  12. C

    Shutter at approximately 58 mph

    Yes, this is a new condition and shudder does go away after 58mph or if I let up on the gas pedal. Thanks, cags
  13. C

    Shutter at approximately 58 mph

    Thanks, Scottydoggs, I will follow-up and check front axle shafts. This is a new condition. And yes it does go away after 58-60mph or if I let up on the gas pedal. Thanks again for the input.
  14. C

    Shutter at approximately 58 mph

    2005 Yukon. At approximately 58 mph there is a shudder on acceleration . Initially I suspected u-joints. Removed both front and rear driveshafts ,replaced all joint's, found one questionable but I realized it was not the fix and I was correct. Reinstalled both driveshafts and condition still...
  15. C

    2005 Yukon Fuel pump lines

    Hello, Just replace fuel pump on 2005 yukon. All three quick disconnects rotted out. Found Dorman repair kit for 5/16 and 3/8 but not for 1/2 inch.Would like to know which line is pressure[feed],which line is return and is the large line a evap vent. Would like to use vacuum hose if such line...
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    2006 Yukon Fuel Filter

    To my understanding and from some of the maintenance manuals,The external fuel filter is no longer located on underside of chassis. It is now an intergral par t of the fuel tank. I,m questioning where in the tank is all the sediment accumulating from the hundreths and hundredths of gallons of...
  17. C

    Oil in Radiator

    99 Yukon with 5.7 liter engine 156,000 miles. There is oil in the radiator. Oil is not milky either in radiator or in engine. It is engine oil and not tranny fluid. Idle vacuum steady 21" and compression test reads all cylinders 160 to 162psi .With these figures I,m assuming not a blown head...

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