ar0100p0200mcu

Inspect cylinders with a light probe

Type ar · topic 01.00 · version 0106 · 2020-05-11

Applies to: Engine 132.910 in model 451.3/4

Where it sits

Function group 1 Engine › 01 Complete engine, crankcase ventilation, cylinder head, crankcase › 01.00 General — Series 451 (models 3**, 4**)

EinPAS 15 Engine › 15.15 Combustion engine, complete/engine housing/crank assembly › 15.15.15 internal combustion engine, complete — Series 451 (models 3**, 4**)

Also applies to engines/gearboxes: 132 910

AR01.00-P-0200MCU

Inspect cylinders with a light probe

24.03.2020

Engine

132.910 in model 451.3/4

Inspect cylinders with a light probe

1

Expansion rivet

2

Cover

3

Center bolt

4

Crankshaft belt pulley

P01.00-2989-06

Inspect cylinders with a light probe

R4

Spark plugs

P15.10-2253-12

Remove/install

Danger

Risk of death caused by vehicle slipping or toppling off of the lifting platform.

Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer.

AS00.00-Z-0010-01A

1

Lift vehicle using the vehicle lift until the rear wheels can be turned freely.

2

Remove expansion rivet (1) and remove cover (2).

3

Remove spark plugs (R4).

AP15.10-P-1580MCC

4

Insert a suitable hose through spark plug threaded bore into corresponding cylinder and crank engine at center bolt (3) of crankshaft belt pulley (4) in direction of engine rotation until piston of cylinder to be checked is at bottom dead center.

The hose must lie on the piston. In this way one can establish whether the BDC is reached.

Check

5

Check cylinder barrel, piston crown and valves using endoscope.

General information on inspecting cylinder walls

AH01.00-P-0300-01A

000 588 01 21 00 Endoscope

WS01.00-P-0097B

In the case of visible cylinder wear the cylinder barrel is roughened and the honing marks are no longer visible.

In case of doubt:

remove cylinder head.


AR01.30-P-5800MCU

6

Perform check of additional cylinders in same manner.

7

Install in the reverse order.

Referenced documents