GM tends to recommend 5W-30 oil.
5-w30 is the recomendation from GM. The LL8 inline six has very tight tolerances and requires a lighter viscocity for engine protection.
Any 5w-30 oil. Although many of our members use Synthetic or synthetic blends lab test results have shown that regular dino oil will give good results when changed using the oil life management system on the truck. www.trailvoy.com - All the answers for your Trailblazer from other true enthusiasts!
R134a
I use it on my 06 trailblazer I6 4.2
any lamp oil.
You should use 10W 30 of any good quality oil.
You should have 7 quarts on hand for the oil change. You may use 6 1/2. www.trailvoy.com
5w-30 dino oil or synthetic. Follow the Oil Life Management system on the truck as described in the manual. www.trailvoy.com Trailblazer enthusiasts forum!
It depends the motor.
4 stoke engine oil
7 quarts when changing the filter
As listed in the manual 5w-30.