Operation CHARM: Car repair manuals for everyone.

Checking and Adding Fluid


NOTICE: When adding fluid or making a complete fluid change, always use power steering fluid meeting GM Spec. No. 9985010 or equivalent. Fluid for cold climates is also available through GM Dealerships. Failure to use the proper fluid can cause hose and seal damage, fluid leaks and pump failure.

Power steering fluid level is indicated by marks on a fluid level indicator on the fluid reservoir capstick. When the engine compartment is hot, the fluid level should be at the "HOT" mark; when it's cool, it should be at the "FULL COLD" mark.

Loosening or removing the capstick when the engine compartment is hot relieves pressure in the power steering system. Pressure contributes to a quiet system. If power steering noise is heard after a fluid level check, let the engine compartment cool. Then listen for the noise after the engine has been warmed up again.