you mean knock sensor
There is no cabin air filter on the 2003 Chevy avalanche
The 2003 Chevy Avalanche 1500 can tow up to 2,000 pounds.
Yes
That engine has 2 of them and you MUST remove the intake manifold to service the knock sensors.
R-134A
the fuel pump
ontop of the tranny
How do you unplug an oxygen sensor on a 2003 Chevy Cavalier
Do a google search for Chevy Avalanche Fan Club of North America. Then search there. It's a site for basically any info on a Chevy Avalanche
The rear ABS sensor should be in the gear box (i can't remember the exact term) in your rear end. The front ABS sensors are in your wheel hubs...
I believe it was 2003 - 2006
5W30 weight.