Remove two bolts securing stock mount to tranny. Place Jackstand under tranny or piece of wood inbetween crossmember as a safety to your jack (hand or finger chomper if jack fails!)Ĥ. this will give you a little more room for removal of the top two bolts that secure the mount to tranny.ģ. I raised my transmission approx 4-5 inches. I found a nice place under the transfer case to jack from and lift the mount out of the holes (underside of stock mount has studs/ new poly has holes for bolts). Once removed, using a 4x4 or equivalent OSHA approved jack extension, jack from a solid spot (not the t-case housing or tranny pan!) on the transmission or transfer case. Remove the bottom two nut and washers from the stock mount located under the front suspension crossmember.
These are the steps I used for my 1996 K2500 with a 7.4/ 4L80ġ. It is pretty self explanatory as there are no instructions or DIY videos online but as always, an easy job can sometimes take 4x the time! Anything more than an inch of movement indicates a bad transmission mount.I could not find too many threads linking info or pictures so I wanted to add a few tips if you are going to tackle this job. You can determine if the transmission mount is at fault by wiggling underneath the car and moving the transmission tailshaft back and forth and up and down. In extreme cases, you might also feel a strong driveline vibration. Diagnosing a Failed or Worn Transmission MountĪ clunking noise when you start the engine is normally a sign that either the motor mount or the transmission mount isn't properly securing the engine or transmission. First we'll look at diagnosing the transmission mount, and then we'll then go through the steps to change a worn-out transmission mount on a rear-wheel-drive vehicle. If left unattended, this excessive movement can cause motor mounts and u-joints to fail. The rubber allows a little “give" in the mounting, but, over time, the rubber will wear out and allow too much movement, which causes the clunking noise you hear.Įnergy Suspension Transmission Mount | Advance Auto Parts The transmission mount is a rubber and steel part that secures the rear of the transmission-called the tailshaft-to the crossmember. Are you hearing or feeling a clunking noise when you start or shut down your vehicle or put it in gear? If so, you may have a transmission mount that has gone bad.
0 kommentar(er)
