Torque specs for 1dz toyota diesel engine of tow tractor

SOURCE: Torque spec for flywheel bolt: Isuzu 2.5 diesel engine

normally 110 nueton metres. use nut lock and once you have torqued you will feel if you have to tighten it a bit more.

SOURCE: cylinder head torque specs

Cyl. Head Bolts torque

200in.lbs

16.5ft.lbs

22.5Nm

SOURCE: torque specs for toyota tercel

Hello vienotkelly: The correct Main bolt torque is 42 foot pounds. The connecting rods torque to 29 foot pounds. The torque sequence for the head bolts and the correct way to tighten the bolts are attached to this reply. Thak You for using FixYa. Roger

SOURCE: torque specs for 1998 tercel 1.5L

Main Bearing Cap Torque-42 Ft. Lbs.
Head Bolts Step 1-33 Ft. Lbs. Step 2- Additional 90 Degrees
Rod Bearing Nuts-29 Ft. Lbs.

Hope this helps

SOURCE: Head bolt torque specs?

I really really really hope you turned the bolts an additional 90 degrees after torquing to 22 Ft-lbs. Otherwise, you may be taking that head off again.

Best of luck,

David