Valve clearances — adjustment (Mitsubishi Colt 4)

The clearances in the valve drive mechanism are adjusted on a cold engine. The clearance between the valve end and the rocker arm adjusting screw on a cold engine should be 0.15 mm for the intake and exhaust valves. The valves are adjusted using an open-end wrench and a screwdriver.



Coat the elements to be installed with oil.

Having correctly oriented the sleeve and having placed a suitable soft metal washer on top of the sleeve, press the sleeve (1) into the cylinder block using a press (2).

ATTENTION: Remember that the sleeve is installed with the notches (1) facing down.

After processing the upper part of the cylinder block (1), press the sleeve (2). The removed layer of metal should not be more than 0.2 mm.





Chamfer the top end of the sleeve.



Check and machine the inner diameter of the sleeve to the nearest repair size.

After installing the crank mechanism, check the piston protrusion. If the value does not correspond to the required value, replace the pistons and connecting rods.