jtrovillion
Member
Need head nut torque and valve adjustment for Perkins AD4.203 diesel engine. Have 175 book, are the numbers the same? Some studs came out during tear down what do they torque to?
Dieseltech
Well-known Member
- Location
- Akron, Indiana
From the Perkins AD4.203 manual, head nuts 55-60 FT/LB, all valves .012 COLD/.010 HOT. The studs have no torque spec, I just seat them snug in the block.
Make sure head nuts are retorqued with engine hot too or head gasket won't last.
Make sure head nuts are retorqued with engine hot too or head gasket won't last.
FarmerJones
Member
Torque sequence.
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