Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum banner
1 - 1 of 1 Posts

· Registered
2003 chevy trailblazer_ls
Joined
·
1,834 Posts
With unknown service I would change all fluids. You need to fill out the User CP at the top of the page so we know what you have. Tranny fluid (dex6), diff front and rear, transfer case fluid, antifreeze, brake fluid.
 
1 - 1 of 1 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.
Top