V40 L4-1.9L Turbo VIN 25 B4204T2 (2000)
-
heat deflector plate (A) over the exhaust manifold.
Check the tightening torque of all retaining flange nuts securing the exhaust manifold to the cylinder head.
Tighting torque 25 Nm (18 ft lbs.)
If the tighting torque is too low or there is a flange nut(s) missing, but there is no leakage from the exhaust between the cylinder head and the exhaust
manifold:
Method A: Replace the flange nuts
If there is exhaust leakage between the exhaust manifold and the cylinder head:
Method B: Replace the gasket check that the exhaust manifold is not distorted
Correct tighting torque:
No further action required.
Install:
-
heat deflector plate, tighten to 25 Nm (18 ft lbs).
A:
Installing new retaining nuts and tighten
Detach the front exhaust pipe from the turbo charger.
Slacken off the stay between the exhaust manifold and the cylinder block.
Slacken off all the flange nuts securing the exhaust manifold to the cylinder head to finger tight.
Remove the old nuts one by one. Replace them with new nuts with captive washer, P/N 982297. Finger tighten the new nuts.
Tighten the new nuts to 32 Nm (24 ft.lbs), starting from the center and working toward the outside of the exhaust manifold.
Position the stay. Tighten to 25 Nm (18 ft.lbs.).