6G7 ENGINE (E - W) - Piston and Connecting Rod |
|
7EN0475
Push in using the piston
Piston ring | End clearance | 7EN0476 |
1EN0246
INSPECTION
PISTON RING
(1)Check the clearance between the piston ring and the ring groove. If it exceeds the specified limit, change the ring or the piston and piston ring.
Standard values: No. 1 0.03 - 0.07 mm
No. 2 0.02 - 0.06 mm
Limit: | 0.1 mm |
(2)Place the piston ring in the cylinder bore, push it in by applying the piston head side, and make sure it is square. Then measure the clearance at the ring ends with a thickness gauge.
Change the piston ring if the clearance at the ring end is excessive.
Standard values: No. 1 | 0.30 | - 0.45 | mm |
No. 2 | 0.45 | - 0.60 | mm |
Oil | 0.20 | - 0.60 | mm |
Limit: | No. 1 | 0.8 | mm |
| No. 2 | 0.8 | mm |
| Oil | 1.0 | mm |
CRANKSHAFT PIN OIL CLEARANCE (PLASTIGAUGE METHOD)
(1)Drain oil from the crankshaft pin and the connecting rod bearing.
(2)Place a piece of Plastigauge the length of the bearing width on the crankshaft pin straight along the pin centre.
(3)Gently place the connecting rod cap on top and tighten the bolt to the specified torque.
(4)Detach the bolt and gently remove the connecting rod cap.
(5)Measure the width of the crushed Plastigauge (at the widest point) using the scale printed on the Plastigauge package.
Standard value: 0.02 - 0.05 mm
Limit: 0.1 mm
E Mitsubishi Motors Corporation | Dec. 1996 | PWEE9615 |
