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ACDelco OES Transmission Components
ACDelco OES-validated transmission components. Including hardparts, transmission cooler lines and fittings, friction and gaskets, valve bodies, electronics, switches, bearings, mounts and all other related parts.

Competitively priced
Only ACDelco Transmission Components are validated by GM to perform with GM transmissions
Design enhancements incorporating updates, upgrades and Technical Service Bulletins (TSBs)
DID YOU KNOW:
Have you ever wondered why it’s so difficult shifting an automatic transmission out of PARK on a steep grade? It’s because in the PARK position, the transmission locks the driving wheels and the transmission resists the vehicle’s tendency to roll. To prevent being jammed in PARK while on a grade, use the following procedures as suggested by the Car Care Council:
Before putting the vehicle in PARK, with the foot brake still applied, secure the parking (emergency) brake
Before shifting the transmission from PARK, apply the foot brake and move the shift level to NEUTRAL or DRIVE, then release the emergency brake
These simple procedures will not only save wear on your transmission, but on your arm as well!

WHAT IT DOES:
The transmission system transfers power from the engine to the rear-drive wheels. Front-wheel-drive vehicles are equipped with a transaxle, a combination transmission/differential, that transfers power from the engine to the front-drive wheels.

SERVICE AND MAINTENANCE:
Your vehicle’s transmission fluid serves as a transmission lubricant and coolant. Neglecting it can cause problems with shifting and can even lead to transmission failure. When you take your vehicle in for its regular engine oil change or when you change the oil, the transmission fluid level should be checked – as well as all other fluid levels. Refer to your owner’s manual for directions on checking and changing the transmission fluid properly. Fluid can be added if needed, but it’s important not to overfill the reservoir.
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SERVICE & MAINTENANCE

Maintenance advice from ACDelco for technicians and DIYers alike.