ACDelco Oil Filter Lookup: Verify PF and GM Part Numbers
Use current GM and ACDelco information to identify an oil filter, reconcile PF and GM numbers, and resolve old labels or catalogue conflicts before buying.
Transmission Fluid
How to Check Transmission Fluid: Find the Right Procedure
Identify your transmission before checking fluid. Understand dipstick and service-level checks, temperature requirements, and misleading readings.
How to Measure Transmission Fluid: Get a Valid Level Reading
Measure transmission fluid using the procedure for your exact gearbox. Compare dipstick and level-plug checks, engine state, temperature and unclear readings.
Too Much Transmission Fluid: Symptoms and Level Checks
Overfilled transmission fluid can cause operating problems, but symptoms are not proof. Verify the level correctly before draining or adding fluid.