How to Remove a Transmission in a Truck
Removing your transmission is rarely necessary for maintenance, but you may find yourself having to extract it in order to replace it. Taking out a transmission can be intimidating and is not recommended for anyone without mechanical experience. A significant problem is the strength needed to remove it. The task is not impossible, though, and in a few steps, you can have it out of the frame of your truck. Always wear safety glasses while working on the transmission and put wheel chocks behind the wheels. Regularly check to ensure the jacks are all stable.
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Things You'll Need
- Safety glasses
- Wheel chocks
- Floor jack
- Jack stands
- Shop rag
- Socket set
- 36-inch socket extension
Instructions
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1
Jack up your truck's front end. The height should be enough to pull the transmission out from under the front end of the vehicle. Once it's at the right height and stable, jack up the back end.
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2
Disconnect the transmission cooler lines. Seal the connection point of the line with cloth so that nothing gets into the line.
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3
Remove the transmission's wiring harness and shift cable.
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4
Use the socket set to unscrew the drive shaft from the differential. The drive shaft is secured to the engine by two U-bolts, which can be unscrewed with a wrench. Disconnect the speedometer cable and the shift linkage.
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5
Place the jack beneath the transmission pan. A shop rag should be inserted between the pan and the jack head to protect the pan. The pan is a silver, square-shaped object located toward the front of the transmission.
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6
Unbolt the transmission mount. Use the socket set to also unbolt the transmission bell housing. The transmission may also be secured by a cross-member, which should be disconnected as well.
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7
Pull the transmission out of the housing with a crowbar if necessary. Use the jack to lower it slowly to the ground.
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References
- Photo Credit truck 1 image by Chad Perry from Fotolia.com
