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Problems with 2009 GMC Sierra 1500 POWER TRAIN

On average, the 2009 GMC Sierra 1500 starts to “feel” problems with the POWER TRAIN and its various aspects after 75 627 miles.

Recently reported POWER TRAIN problems on 2009 GMC Sierra 1500

Rear end locks up. if the wheels spin then the truck wont move. it gets stuck and you have to force it forward until the wheels start moving freely again.

Transmission filler tube is breaking. there is a recall but not on mine. why? i ordered a new one.

My truck died in traffic but i was able to get started and home (2 miles). my check engine light came on and i am reading a code u0191, which refers to the fuel pump flow control module. i had to purchase a battery because i had a battery draining issue and was having to jump it if it sat for a couple of days. my truck will not start at this time. after doing some checking, both my fuel pump and fuel flow module fuses are hot even with the truck ignition off. which would indicate a short in the system. after some research , i found a safety recall that describes the exact issue but my vin doesn't come up in the recall. recall bulletin # 14515b . i guess what i am asking is why wasn't my vehicle included in the recall? apparently this is affecting more vehicles that what the recall included.

Excessive oil usage, have had it monitored 3 times per gm. uses oil every 2 thousand miles ,they are aware that these 5.3 v8 are doing so. there is a service bulletin out on this problem, this problem needs to be investigated by our government.

Transmission delay from park to drive. as transmission moves into drive the truck jerks forward violently. park to reverse did not seem to be a problem. dealer worked on the truck for approximately 8 hours, flushed transmission, and performed oil change, did not notice any metal in the transmission fluid and sought an update for the tcm (was up-to-date); however, a small amount of water was seen in the oil pan. dealer performed a test drive and the truck appeared to be back in working condition. owner attempted to drive the truck out of the dealer lot but the transmission would not engage. owner attempted to put the truck in reverse, the transmission would not engage. truck was left at the dealer for further evaluation. no additional information at this time. transmission still under warranty. *tr

After being stopped with engine off and emergency brake engaged, started engine, disengaged emergency brake and accelerated. significant vibration in the rear of the truck. took vehicle to chevrolet/gmc dealership and was advised that the rear wheel cylinders were leaking and needed to be replaced after only 43500 miles. this incident followed an issue on 11-29-12 where the throttle position sensor malfunctioned and the engine ran very rough and the truck was difficult to stop. *tr

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