2006 Chevy Malibu.
Question = Hello. I have a clunking noise in the steering of my 2006 Malibu. It clunks when i turn the steering wheel and when i stop and hit bumps. When i stop or hit the gas and turn at the same time it also does it. What could the problem be.

Answer:
This sounds like a very common problem in many years and models of GM vehicle. The "Intermediate steering shaft" is noisy and needs to be replaced.

Since you have under 36k miles, this item is under warranty. Just call your local dealer and tell them your problem, and they will take care of it.

There is actually a service bulletin (TSB) for this.
Thanks again for the tip/donation. I will send the TSB number as a reference so you can bring to the dealership if you would like.
2007 Chevy Monte carlo
Question = Hello. I have a clunking noise in the steering of my 2007 Monte carlo. It clunks when i turn and when i stop and hit the gas. When i stop or hit the gas and turn at the same time it also does it. What could the problem be.

Answer:
This sounds like your car also had the very common problem of many years and models of GM vehicles. The
Intermediate steering shaft is noisy and needs to be replaced.

Since you have under 36k miles, this item is under warranty. Just call your local dealer and tell them your problem, and they will take care of it. There is actually a service bulletin (TSB) for this.
2005 Chevy Malibu.
3.5 V6. Warning lights = check engine and TRAC control light.
Computer codes: P0449 and P0753.
Question: The P0449 code was first with just the check engine lite on. No obvious run or Driveability problems. Code is for purge/vent sol circuit. Thought I'd pull gas tank later. Then code P0753 and trac. Control lite came on. With no low or 4th gears. Code is defined as 1-2 shift valve performance an open or shorted condition on the shift solenoid circuit. My question: How to verify problem is solenoid? Is solenoid replaceable with out removing trans. Where would I find procedure? Thanks
Answer:
First of all, for your P0449 code, it is only for the vent solenoid, not purge solenoid. You should check the wiring under the vehicle near the gas tank for any damage, there is a GM bulletin about this. Also check for power and ground at the vent solenoid connector, and if all is good, you should replace the vent solenoid.

As for the P0753 code, there have been problems with wiring to the shift solenoids, and voltage loss. I believe there is a GM bulletin about that as well. If the wiring checks ok and you suspect a shift solenoid is bad, you can replace them in the car, but you have to nearly drop the transmission to do it. The sub frame has to be lowered on the drivers side and all related parts associated with that procedure. You would also need an engine support fixture to hold the engine and trans in place while the sub frame is hanging. A scan tool would help with diagnosis if you have one. You can command the shift solenoid on and off and listen at the side cover to hear if it 'clicks'. Then you can remove the side cover to gain access to the valve body and solenoids. It's a big job for sure.
Chevy Malibu Clunk Noise In Steering

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