2018 Caterpillar 303.5e2 Cr Oil Drain Plug Torque & Size
The 2018 Caterpillar 303.5e2 Cr oil drain plug torque is 29–36 ft-lbs (40–49 Nm) on a M16x1.5 thread, using a 22mm. Fit a new crush washer at every oil change and do not over-tighten — most modern oil pans are soft aluminum and strip easily.
How tight should the 2018 Caterpillar 303.5e2 Cr oil drain plug be?
Torque it to 29–36 ft-lbs (40–49 Nm) with a calibrated torque wrench, not an impact gun. Over-tightening strips the aluminum pan threads; under-tightening leaks. Always replace the crush washer.
What size is the 2018 Caterpillar 303.5e2 Cr oil drain plug?
It takes a 22mm. Thread size: M16x1.5. Many import drain plugs use a hex (Allen) key rather than a socket.
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