Inspect cylinders with a light probe

AR01.00-P-0200LFE

Inspect cylinders with a light probe

08.08.2019

Engine

157, 276, 278 in model 216, 221

Modification notes

05.08.2019

Information document AH05.30-P-1000-02SZ, added.

Operation step 4.

1

Endoscope

 Warning

Risk of injury. Skin or eye injuries may result when handling hot or glowing objects.

Wear protective gloves, protective clothing and safety glasses, if necessary.

AS00.00-Z-0002-01A

 Caution

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 plug from the cylinder to be tested.



AP15.10-P-1580SX

2

Turn engine at the center bolt of the crankshaft in the direction of engine rotation until the piston of the cylinder to be checked is at bottom dead center.

 Socket wrench bit

*001589650900

3

Connect endoscope (1) and insert flexible endoscope through spark plug thread bore into the cylinder to be checked.



000 588 01 21 00 Endoscope

WS01.00-P-0097B

4

Check cylinder barrels, piston crowns, and valves.

General information on checking valves, valve seats and valve guides

AH05.30-P-1000-02SZ

General information on inspecting cylinder walls

Engine 278 in model 216, 221

AH01.00-P-0300-01MM

General information on inspecting cylinder walls

Engine 276 in model 221

AH01.00-P-0300-01A

General information on inspecting cylinder walls

Engine 157 in model 216, 221

AH01.00-P-0300-01VA

If the condition of the cylinder barrels is not clearly recognizable,



Remove cylinder head.

Right cylinder head
Engine 157, 278 in model 216, 221

AR01.30-P-5780MMB

Right cylinder head
Engine 276 in model 221

AR01.30-P-5780MMA

Left cylinder head
Engine 157, 278 in model 216, 221

AR01.30-P-5770MMB

Left cylinder head
Engine 276 in model 221

AR01.30-P-5770MMA

5

Install in the reverse order.