jeepjack1995

so all three bolts that attach the passenger side engine mounts to the block decided to be lame and snap off. so i just got done extracting the broken bolts out of my block (went smoother than i thought it would) and i don't know what size those bolts are so if someone would happen to know what size and would tell me that would be great.
Thanks,
Jack

jeeptech

They are 3/8 - 16 x 1 1/8 but they are grade 8 bolts. Don't use lesser bolts or you will be sorry. And a little locktite goes a long way. Chrysler part # 6036176AA

jeepjack1995

ya i got it all figured out i got a little longer bolt and threw a lock washer on there too.

o2bgpn

I would get rid of the lock washers and put flat washers in their place, if you need to use them as spacers. The high torque put on motor mounts will open up lock washers at the split causing the bolt to loosen up (exactly opposite of what a lock washer is supposed to do). Hope that made sense.

The same holds true for axle U bolts, don’t use lock washers.