651 in model 166, 172, 204, 205, 207, 212, 218, 221, 222, 253
Exhaust manifold
Number
Designation
Engine 651
BA14.10-P-1001-01P
Nut on exhaust manifold to cylinder head for steel exhaust manifold
Nm
30
Exhaust manifold
Number
Designation
Engine 651
BA14.10-P-1003-01P
Nut on exhaust manifold to cylinder head for cast exhaust manifold
Stage 1
Nm
15
Stage 2
Nm
35
Note the different tightening pattern for the exhaust manifold casting and the steel exhaust manifold. Tightening pattern for exhaust manifold casting Do not use any assembly paste or similar product.
1
Tighten nut (4) and subsequently nut (6) to the first stage of the prescribed torque .
2
Tighten nuts (1 to 8) in ascending sequence to the second stage of the prescribed torque .
Tightening pattern for steel exhaust manifold Do not use any assembly paste or similar product.
3
Tighten nuts (1 to 8) in ascending sequence with the prescribed torque .
