Lumbar issues
#1
Lumbar issues
Good evening. I have an 05 Lux edition and I have recently started having issues with the lumbar support in the drivers seat. All other functions in the seat work as they should. However my wife inflated the lumbar a couple of days ago and now it will not go back down. I can hear the motor clicking like its trying to run but it is not releasing the pressure in the lumbar bladder. Does this run on a separate circuit than the rest of the seat? I don't really think its fuse related as I can hear it as stated. I have not looked in detail at the seat but would appreciate if I could get some direction as far as what I should be looking for. An exploded view of the seat would be good if it exists. Thanks.
#2
I have almost same issue as you but my lumbar does t work at all but everything else does. Think we have to buy the whole mechanism located under seat which is expensive even used from junkyard. I will see what others reply here.
#3
Do you have a PN so I can start searching?
#4
Here's the driver seat parts diagram. It's #54 (P/N 88978360).
2005 Hummer H2 DRIVER SEAT/BUCKET
LUMBAR. Seat Back Cushion. CK(43-53) DRIVER SEAT/BUCKET (AN3); ; DRIVER for 2005 Hummer H2. #88978360
2005 Hummer H2 DRIVER SEAT/BUCKET
LUMBAR. Seat Back Cushion. CK(43-53) DRIVER SEAT/BUCKET (AN3); ; DRIVER for 2005 Hummer H2. #88978360
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