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Valve lash is the end of the rocker arm and the valve stem clearance between. When the engine is running, due to the thermal expansion and contraction, if there is no gap between the rocker arm and the valve stem, rocker arm swells, the top valve open, the impact of engine power and economy. Engine valve clearance will be different, usually when the car is cold, the intake valve 0.08-0.10MM, clearance exhaust valves 0.10-0.12MM Car Diagnostic Tool
2.9 to 3.9 bar at 3000 rpm is fairly general for the Nissan range including turbo diesel, though the pressure isn't listed for the td27 engine. I doubt it would be more or less than the others.
I notice one Nissan commercial vehicle engine where 3.0 bar at 2000 rpm is specified.
The oil pressure test should be carried out at normal operating temperature.
It is a gear driven camshaft with pushrods to the overhead valves. The injection pump is also gear driven off the crankshaft. No timing belts, no timing chain..isn't life good?
need head bolt torque setting for nissan td27 deisel engine been checking pots after she reved out and couldnt be turned off turns out if sump gets overfilled the engine will **** oil from sump and rev out ntill it explodes lucky we managed bto stop ours
valve clearance is .014 inch for intake and exhaust with engine warm.
head torque it 21 ftlbs, then 44 ftlbs, then loosen all, torque to 89 inchlbs, then to 21ftlbs, then mark and turn the bolts an additional 60 to 65 degrees.
cyl head sub bolts torque 80 to 100 inchlbs.
thanks.
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