Question about 2006 Chevrolet HHR

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I hear a muffled clunking noise when my car goes over small bumps in the road at lower speeds (not noticeable at higher freeway speeds), and my traction control light comes on intermittenly. The clunking noise seems to be coming from the rear mostly. When the TC light comes on, and I accelerate from a stop, the car "slips" once, as if it's slipping gears.

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  • cheryl_near Apr 07, 2011

    Super detail....thanks HelpMech. Now I won't look like a big dumb girl when I take my car to my mechanic.....:)

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  • Chevrolet Master
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For noise problem:---- If you have the electronique power steering then it might be your rack and pinion, it make loose like noise in front end and give very small jerks in steering wheel on rocky roads. Check that out.------------If the noise is from rear and noticed at low speeds then click this link directly:--- http://technoanswers.blogspot.com/2011/04/clunking-noise-from-rear-side-at-low.html ------------------- For traction light issue:------
If the ECM gets wrong values from the T/C this ends in harder shifting and gears slipping. Have you checked the connectors to your ABS. Have you tried to switch it
off ? Does it shift smoother then ? May be loose contacts. It is the whole system ABS, T/C, ASR which work together and can cause the problem.-------------
When it seems to gear slipping or hard shifting , you might want to check the MAF sensor to make sure it's plugged in all the way . Also get the air filter checked.Too much air flow can cause T/C light to come ON/.T/C light keeps coming on is because the MAF in throwing a code from getting too much air. ------------- How to locate and change the air filter on a 2006 Chevy HHR?------ It's inside of the plastic cover on top of the engine. You'll need to remove the assembly. First lift the rear to loosen it from the stud. Loosen the clamps to remove the ducts and pcv tube. Disconnect the electrical connector. Now you can tip the assembly over and remove the screws to separated the halves and replace the paper element. ---------- Also get the car scanned at autozone service center to get error codes.At autozone its absolutely free, they do car scan at no cost.------This will help.Keep updated.Thanks.Helpmech.

Posted on Apr 07, 2011

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