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Headgasket trouble? 900 1997

Dear Metallo,

"What do they mean by 'Main Bearing Cap' and 'Connecting Rod Cap'?"
--> Main bearing cap - the cap that hold the crankshaft's main bearing. These are located below the engine's block. You didn't take out the oil sump so disregard this.
--> Connecting rod cap - the cap at the lower end of connecting rod (the upper end is at piston). You didn't take out the oil sump so disregard this.

Your should only concern about:
1) Cylinder head - Stage 1 (20Nm), Stage 2 (60Nm) and Stage 3 (angle-tighten 90 deg) - tighten from centre to outwards
2) Camshaft cap - 20Nm (yes its not that high)
3) Crankshaft centre bolt (damper pulley) - Stage 1 (60Nm) and Stage 2 (angle-tighten 60 deg)
4) Camshaft & intermediate pulleys bolts - 50Nm

Note: You might not be able to tighten the cap nuts (with camshaft already in) all at once because some of the cam lobes might be pressing against the valve buckets. Start with those nuts which you could thread in first (usually at cam caps 4 and 3). Then slowly work your way thru to caps 2 and 1. Finally torque all caps bolts when the camshaft is fully in.


Amarin






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