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Loosen the transmission mount retaining bolts. Loosen the back to engine retaining bolts. Jack the transmission of approximately 1 inch. Remove the transmission mount bolts. Remove the transmission mount. Reverse the process to install the new transmission mount.
Should be 6 bolts on the bell housing to mate it to the engine.
Support the engine gently by spanning a wood 2x4 across the middle of the pan and jacking it up slightly. Then remove the engine mount at the upper passenger side. The entire bracket must be removed from the engine. This is necessary so that the engine can be slid to the right when removing the transmission mount along with its engine bracket. The bracket must be removed to or else the transmission mount can't be removed. There will be a total of 8 bolts to remove to allow the transmission mount to be removed. There will be a total of three nuts and 6 bolts to remove to allow the engine mount to be removed. Two of those bolts are accessed from inside the wheel well.
Generally there is six bolts holding the transmission bellhousing to the engine block. There are several more holding the torque converter to the flex plate and the rear transmission mount to the crossmember.
Begin by removing the engine wiring harnesses. Remove the motor mount retaining bolts. Disconnect the engine from the transmission. Lift the engine out.
The belt side mount has bolts from the top along with the firewall side mount. The radiator side mount bolts are from the bottom and side. The transmission side mount bolts are all from the side. The top bolt is accessible after removing the fender liner.
There are 6 bolts that hold the transmission to the 4.3L block.
11 including five mount bolts
PULL WHOLE TRANSMISSION OUT AND PUT ONE IN . TAKE BOLTS FROM AROUND ENGINE THEN TRANSMISSION MOUNT A SLIDE BACK THERE GOES. TRHANKS!!
Bell housing to engine block, 4 bolts are 3/8"-16 and 2 bolts are 7/16"-14.
This is a job of extreme difficulty/skill level and should only be done be experienced technicians. The transmission cooling lines need to be disconnected. The transmission then needs to be supported. The transmission mount can be disconnected followed by the bell housing bolts which fasten the assembly to the engine. The drive shaft can then be dropped. Lastly the bell housing bolts can be removed allowing the assembly to be lowered.?æ
Use a jack with a board on top to support the engine. Loosen the bolts for the motor mount. Raise the engine slightly then take the bolts out and remove the motor mount. Install the new mount, tighten the bolts, then remove the jack.