Transmission reflash for shift patterns on "09" Acadia's built prior to 10/08
Check engine light - computer indicated lean fuel condition. Replaced fuel sensor module and some other stuff in the fuel area.
Left dealer, check engine light came back on 2 miles down the road. Stretched timing chain. Need to replace timing chain, gaskets, etc.
Also addressed TSB on power steering noise (whine).
Apparent problem with transmission control system software that caused revving, bucking, or unresponsiveness
Work on service stabilitrak/service traction control messages that are displayed on dashboard about once a week.
Check engine light was on- replaced coil for cylinder number 4.
Transmission/engine re-flash to address shift delay problem on 2009 models built before October 2009.
car just died,had to be towed to nearest GMC dealer. Electroic modulator went bad
soot build up on exhaust tips and blowing on rear hatch. dealer states normal. Vehicle appears to be running rich/unburned fuel.
check engine light code PO008. Dealer reset light.Light stayed off but timing chain was replaced due to known problem with certain build dates.Vehicle only had 10,600 miles and ran good.Fuel mileage has improved after repair!
73 TrueDelta members own (or used to own) a 2009 GMC Acadia. 31 of these members
(42.5%) have reported engine repairs for their car.
A total of 54 engine repairs to 2009 GMC Acadias--an average of 0.7 per
vehicle--have been reported.