What is the torque specification for the head bolts when replacing a head gasket on a 1990 Nissan Pulsar vector SSS The engine type is N13?
The torque specifications are, for both the 1.8 litre 18LE and
the 1.6 litre 16LE:
Stage one: 25Nm
Stage two: Tighten a further 60 degrees
Stage three: Tighten a further 60 degrees
Stage four: Tighten a further 60 degrees
Stage five: Tighten a further 30 degrees to 50 degrees, but do
not exceed 135Nm
Perform the tightenings one stage at a time, performing the
required action to all bolts before continuing to the next stage.
Tighten them in this order:
10 6 2 3 7
9 5 1 4 8
Where '1' is the front of the car, and '7' and '8' correspond to
Perform stages one through four, and then after finishing the
rebuild and replacement, run the car to operating temperature. Then
perform stage five at operating temperature.