Question about 2007 GMC Yukon Denali

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Lumbar on driver seat stopped working

Lumbar on lower back part of driver seat stopped inflating or deflating

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

johnjohn2
  • 5763 Answers

SOURCE: I have a 2000 jimmy

this is common, if the seats move an any direction then its not a fuse, these dont use fuses rather a circuit breaker that resets itself and never seen one go bad, sorry for the bad news but it sounds like the lay down part is a motor or cable from motor and the lumber is a bad pump or connection under the seat. most of these that i work on have bad lumber pump motors and that are inside seat some older ones are under the seat, the way to repair is to replace the track, new or used, but if pump is inside the seat then thats another story, the covering needs to be removed. good day.

Posted on Jun 15, 2011

alicantecoli
  • 22156 Answers

SOURCE: Drivers seat lumbar.

erasy to reapi a seat just remove from vehicle and strip the covers off most are rachet and pawl but if you cant fix it get a welder and weld it into the optimum position that you want then replace the cushions and covers

Posted on Nov 05, 2008

  • 462 Answers

SOURCE: 2000 GMC Jimmy Power seat stopped working

Left side of the dash, to the right of the IP fuse block. Its a 25 amp circuit breaker, an aluminum cased breaker. CHECK FOR POWER ON THE SEAT SWITCH "A" TERMINAL AND GROUND ON THE "D" TERMINAL. IF YOU HAVE POWER AND GROUND THE SWITCH IS BAD.

Posted on Jun 16, 2009

Testimonial: "thanks"

  • 288 Answers

SOURCE: 2000 Gmc jimmy power lumbar works but seat does

IF THE LUMBAR IS WORKING, THE POWER IS THERE . IF EVERYTHING IS PLUGGED IN UNDER THE SEAT, THE SEAT MOTOR MAY BE FAULTY

Posted on Nov 19, 2010

  • 1 Answer

SOURCE: 05 envoy denali rear end deflates when parked.

Mine does the same. Couldn't find a fix.I am not sure if this is weather dependent. It does more when it is cold. i am afraid that one day it will stay low where the hydrolic give up Please share your solution if any

Posted on Dec 24, 2010

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1 Answer

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