Strange noises 2002 WS6
Do you have a copy of the owners manual? (This and other important things are covered inside.) This time of year, its also important to make sure you have the right oil. If you don't have 5W30 in and are in a cold place, that will also cause issues.
If you aren't familiar with doing the major work on the car but want to get into it, folks here will be happy to help you get started.
You should always be running premium fuel. If 91 octane is all that is available, run that, if a higher octane is available run that. You have a high compression engine and it needs high octane. Not just for the track but all the time. The PCM will try to adjust for shitty gas, but it will just try, it want's high octane. A person may think that they can run a lower octane fuel if they are just doing normal driving around town, but that is wrong.
My wife put Safeway premium in my car once because she got .10c off, knocked like hell when accelerating. never bought their gas again.
Your problems are, in my opinion, normal piston slap at start up, and low octane gas in a high compression engine. The difference between a tank full of 89 and a tank of 91 or better will never be noticed by your wallet, but the engine can tell. Don't go cheap on the gas and ignore the start up ticking, it is normal. Of course you may have other factors contributing to what seems like pre-ignition knocking.
One more thing about tracking down mystery engine noises, you may be certain that the noise is coming from the engine internals, jack it up or putting it on a lift and listening from under the car can give you an entirely new perspective. Maybe a slight exhaust leak.
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I don't know how much 89 octane you've got in the tank right now but I'd find 93 octane and get the mixed average up. If you've got a half tank of 89, I'd fill it up with 93 and go a little easier on the throttle to not induce the pinging. The pinging if very damaging!
https://my.gm.com/content/dam/gmowne...ird_owners.pdf
You can also get the official printed copy that the car came from the dealership with from Helm Inc.
dannyual777 gives the method for getting out of your octane pit. Just fill up with 93 ASAP and do 1/8 tanks until the pinging goes a way. Then run it down to 1/2 tank and refill. (At that point, your engine will be happy with some octane margin, so you can run down the full tank and start the move to super-premium permanently.
This is going to be bad. We/this engine, don't tolerate oil shedding off of these things well. The outcome is evil and horsepower is sapped from the engine (it can't read airflow through the MAF and the O2 sensors can also become contaminated). If you go to a paper filter, you'll preserve all the gains you are looking to get from your other parts.
Please start another thread on this. If you have pictures or more descriptions on how/where the rattle happens, that would be great. There are a number of physical linkages and connections inside the door panel, which should be easily serviceable.
You'll have to take the inner door panel off to address whatever is going on. A good way to start is to take the panel off and then go for a drive. You'll be able to pinpoint the noise easier that way. Likewise, you can also immobilize each rod individually (with a towel or something like that) and then go for a drive to see if things go silent. If so, then you can address the sleeves and clips for that problem rod.
I guarantee we are kin folk lol
That is an uncommon last name for sure. Most my kin are from the Spartanburg area but I was born and raised in Charlotte. My son just had triplets last year to add three more to the clans namesake.
Last edited by RedXray; Jan 13, 2021 at 01:11 PM.
The triangular trim behind the door/window? That's a pretty big sag. If so, pressure from the sag could be placed on the latch mechanism and everything back there. It could all be related.
I guarantee we are kin folk lol
That is an uncommon last name for sure. Most my kin are from the Spartanburg area but I was born and raised in Charlotte. My son just had triplets last year to add three more to the clans namesake.
I need that door worked on anyways its sagging and catching the small triangle when opening the door unless the window is down about a inch
The triangular trim behind the door/window? That's a pretty big sag. If so, pressure from the sag could be placed on the latch mechanism and everything back there. It could all be related.
I agree my 2002 y87 convertible must have had same problem as the part fell off of it and they are EXPENSIVE for a tiny triangle but the guy who was fixing something on my car got bored and made me one out of metal and powder coated it and it looked way better than oem didnt charge me anything for it either think the repair was minor like a alt or something
Last edited by Mark OShields; Jan 17, 2021 at 06:27 AM. Reason: forgot to add his quote




