Ram Raider L4-2555cc 2.6L SOHC (1987)
Valve Clearance: Adjustments
Jet Valve Clearance Adjustment
Fig. 19 Valve clearance adjustment. With jet valve
On models equipped with jet valves,
1.
Idle the engine until radiator coolant reaches 80-90°C (176-194°F).
2.
Remove all the spark plugs from the cylinder head.
3.
Remove the rocker cover.
4.
Rotate the crankshaft clockwise until the No. 1 cylinder is at compression TDC.
5.
Measure jet valve clearance at No.1 and No.2 cylinders.
standard value : 0.25 mm (.010 in) when warm.
Caution
As jet valve spring tension is low, be careful not to push the jet valve in.
6.
When out of specification, loosen the lock nut and adjust clearance with a feeler gauge while turning the adjusting screw.
7.
Holding the adjusting screw with a screwdriver so that it wont turn, tighten the locknut to the specified torque.
8.
Turn the crankshaft 360° until the No. 4 cylinder is at compression top dead center.
9.
Measure jet valve clearance at No.3 and No.4 cylinders.
standard value : 0.25 mm (.010 in) when warm.
