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I think GM is on of the last automakers to put a real oil pressure gauge in their trucks. My wifes Tahoe does just what you describe, gauge moves with rpm. You'll also notice when the engine is cold the pressure is higher than a warm engines pressure. My 2008 Ford Superduty has an idiot...

When you're in 4wd some noise is normal because the transfer case will make a hum/whine noise while engaged.

From what I've read the quality of material used in the filter are not as good as others. When I say material I mean filter media, number of pleats in media, drain back valve construction, and such. I will try and find the link to an oil filter overview someone did where they cut open different...

AC Delco filter and 6 quarts of Mobil1 5w30 every 5,000 miles. I find that the 5,000 mile interval is almost exactly in tune with the oil life monitoring system. There's maybe a few hundred mile difference either way. I understand the OLMS varys with driving habits but for me 5,000 mile...

I've heard my wife's 2003 Tahoe do that on many occasions. Upon a warm start up you hear a knock noise. I wouldn't worry about it and accept it as a characteristic of the model.

Got the Tahoe back and everything is taken care of. When I dropped it off I explained that the steering wheel was off center and the truck seemed to pull to the right a bit. When I picked it up the gentleman behind the counter agreed that they had done a poor job aligning it initially using the...

Thanks Guys. I'm bringing it back to the tire installer right now.

Hi folks, this is my first post here although I've been lurking for a year or more. I hate to have my first post be a question about an issue instead of helping one of you guy's/gal's out but I'll ask it anyway. My wife drives an 03' Tahoe Z71 and yesterday I had new tire installed along...