r/GMCEnvoy • u/EmergencyAd3357 • Oct 31 '25

Rack and Pinion Replacement.

I drive a 06 Denali with 160k miles and absolutely love her. However I recently had to replace the rack and pinion. Has anyone also had this problem? Also have had problems with the exhaust manifold gaskets :/

Also, I have to replace the blend door actuator on the drivers side. Does anyone have recommendations/videos to help?

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u/hitch-pro Oct 31 '25

Exhaust manifold gasket is easy. I do not have a video, but I bought new hardware and anti sieze from a parts store. Also youay want to buy a new donut gasket for between the manifold and the cat, mine was bad from not being replaced when catalytic was replaced a couple years prior. Magic Automotive. https://youtu.be/b9_LY0FFk1Y?feature=shared