Replace the torsion bar on my 99 Pontiac Grand Am

Adjust torsion bar

Tom, yes, it would wreck the panel with out doing so.
Check the attached links,instruction and guides, Good luck.
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The evidence suggests that you do indeed have a bad fuel injector. Inspect the wiring to make sure you don't just have a poor electrical connection there - then if that looks good replace the injector.

Rear trailing arm.

the haynes repair manual,,will explain all of it ,,its about 20,,dollar's,,it is a lot of work,,can give u step by step if u want it that way,,

upper or lower e-mail me at bigwheels4now@yahoo .com

bad torsion bar links

If the temperature gauge looks good (under 3/4) its all good. If not, then there is a problem. If it smells hot inside, like moist and humid you will need to replace the ac filter, that can be located under the hood, close to the water resevoir, you will have to pull the ruber type gasket that is on the edge of the hood/wiper cover.

If you are talking about 99 Pontiac Grand Am, I have the information you need with drawings. If you send me your email address I will send you the info you need. [email protected]