Inspect Cylinders With A Light Probe - AR01.00-P-0200MFG
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Engine 139 in model 118, 177, 247
| Risk of accident from vehicle starting off by itself when Engine running. Risk of injury (bruises and burns) resulting from working on the Engine while it is being started or when it is running. | Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. | AS00.00-Z-0005-01A | |
| Risk of injury to skin and eyes due to handling of Engine oil. Risk of poisoning caused by swallowing Engine oil | Wear protective gloves, protective clothing and safety glasses. Do not fill Engine oil into beverage containers. |
AS18.00-Z-0001-01A | |
| Risk of injury caused by scraping or cutting body parts on sharp vehicle parts | Always wear protective gloves when working on or near sharp and non-deburred vehicle parts. Deburr repair panels. |
AS00.00-Z-0017-01A | |
| Topical note | Notes on avoiding damage through contamination and foreign objects | AH00.00-P-5000-01A | |
| Remove/install | |||
| 1 | Remove spark plugs. | ||
| AP15.10-P-1580J | |||
| 2 | Remove front section of the front right fender liner. | AR88.10-P-1301MFA | |
| Check | |||
| 3 | Turn Engine at belt pulley of crankshaft in direction of Engine rotation until piston of cylinder to be checked is at bottom dead center (BDC). | Otherwise, the timing chain will jump and Engine damage will occur. |
Fig 1 |
| 4 | Connect endoscope (1) and insert flexible endoscope through spark plug thread bore into the cylinder to be checked. | ||
| 5 | Check cylinder barrel, piston crown, and valves. | AH05.30-P-1000-02SZ | |
| General information on checking valves, valve seats and valve guides | AH01.00-P-0300-01AMG | ||
| General information on inspecting cylinder walls | If "scoring" (wear to the cylinder) is recognizable, ↓ Remove cylinder head and check cylinder barrel again. |
AR01.30-P-5800MFG | |
| 6 | Perform check of additional cylinders in same manner. | ||
| 7 | Install in the reverse order. | ||
| 8 | Carry out Engine test run and check Engine for proper leak tightness and leak tightness. | ||
| 9 | Install upper Engine cover. | ||
| AP01.10-P-2405-01K |