Because of their complexity and inaccessible location, transmissions are one of the more intimidating parts of an automobile for the average owner who prefers to perform his own maintenance and repairs. On trucks like the 2001 Chevy Silverado the transmission is more accessible, but no less daunting in its complexity. Despite its complex internal construction, the transmission can still be serviced by the average home mechanic.
Things You'll Need
- Floor jack
- Wheel chocks
- Jack stands
- Drain pan
- Torx head wrenches
- 3/8 inch drive socket set
- Flathead screwdriver
Allow the vehicle to cool completely before beginning work.
Apply the parking brake and place wheel chocks behind the rear wheels. Raise the front of the truck on one side using the floor jack. Place an automotive jack stand under the truck beneath a solid point like the frame rail or a manufacturer recommended lifting location. Carefully lower the truck until its full weight rests on the jack stand. Repeat the lifting process for the other side of the truck.
Slide the drain pan under the truck and be certain to position it under the drain plug in the transmission pan.
Use the socket wrench to loosen the drain plug located in the bottom of the transmission pan. After the fluid has stopped draining replace the drain plug and tighten it finger tight to avoid losing it.
Remove the heat shield from the side of the transmission using the socket wrench to loosen the two bolts located near the top of the shield.
Remove the shifter cable by prying the end of the cable off of the ball stud with the flathead screwdriver. Remove the two bolts holding the shifter cable bracket to the transmission using the torx head wrenches, and move the assembly to the side.
Remove the bolts from the transmission pan using the socket wrench. Gently pry the pan away from the transmission using a flathead screwdriver, using caution to avoid spilling the fluid that may still be in the pan.
Tips & Warnings
- Keep rags or a towel handy when working around transmission fluid to clean up spills.
- Never work under a vehicle unless it is properly supported by approved automotive jack stands.
- "Haynes Repair manual": Chevrolet Silverado GMC Sierra: 1999 thru 2006: Haynes: 2007
- GM-Trucks: How to change the fluid and filter on a 4L60E transmission
- Photo Credit old gearbox dumped in a rest area on the side of the road image by Undy from Fotolia.com
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