I chased what was reported as O2 issue and I finally found a break in one wire inside the insulation adjacent to the sensor.
It made for intermittent and odd error codes; too lean then too rich and so on.
Good luck with it.
We had a VW Passat that we loved but had to trade in when the dealer couldn't solve it. It could be 90 degrees outside and the auto HVAC would blast full heat from the AC vents.
The electronics are far beyond the average mechanics capabilities. They are probably beyond I.T...
Sorry I can't tell you the brand. It was a brand name though. I sold the car after 4 years in 2004 to get money out before the C6 design change. That always seemed to be a big value killer.
I just shared my experience to pass on that it might not be all of what some might be expecting, but then...
Put one on our C5 Corvette. It claimed 40 hp gain.
My seat of the pants dyno didn't feel it. The primary noticible change was a slight change in intake noise. It's funny how we assimilate noise with power. I remember Cherry Bombs and Thrush in high school; Silly boys.
That was on a 3200 pound...
I thought you might find the specs for the current Quaker State Ultimate Protection (not "Durability") 5 w30 interesting.
I wonder if it's a renamed Shell Gas Truck based on comparing to your table of properties...
Your trucks take Premium?
That doesn't make sense on GM's part.
Glad I have a pedestrian Tahoe.
I haven't bought Premium since I had the vette in 2003.
But it is always noticeably higher here. I can't remember when diesel was under $4 a gallon here, even when gasoline was around $3.
A better reason than mileage is needed to buy one around here.
Needing a HD truck with low end grunt would be the only one that comes to mind.
Greasable front uppers, but the greasing doesn't relate to the bushings to the frame that failed.
Tapping the brakes in reverse would make visible movement at the mounting bolts.
I should add that there was a very noticible clunk when it happens.
Something that needs to be taken into consideration around here is that the fuel is much more expensive than gasoline so listed mileage numbers need to be adjusted accordingly.
Also there is no point in the expectation of long life because the bodies and frames will be shot from winter deicing...
I hear that. I had a Moog control arm have bushings shot in 20,000 miles. So much for big names. Atleast the repair shop warranted it so all it cost me was time to drop the truck off. That's no excuse for the part though.
Let's put it a different way.
Not being interested in an actual number, how do we know if the belt is tight enough indicating that the tensioner is not worn to the point of not being effective enough?
Here they are at 120,000 miles and 16 years. The camera macro pictures are much more telling than the naked eye sees.
The AC belt was much worse and used less. Not sure that makes sense.
It's a very easy job. More effort was needed to get the bottom splash cover on because of the front bolts...
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