ar0716s0500a

Testing leak quantity of injectors

Type ar · topic 07.16 · version 0100 · 2002-09-09

Applies to: ENGINE 611.980 in MODEL 638

Where it sits

Function group 1 Engine › 07 Mixture formation › 07.16 Diesel injection system common rail — Series 611 (models 980) · Series 638

EinPAS 15 Engine › 15.45 Engine management › 15.45.42 Fuel distributor/rail/nozzle/injector — Series 611 (models 980) · Series 638

AR07.16-S-0500A

Testing leak quantity of injectors

24.6.02

ENGINE 611.980 in MODEL 638

Testing leak quantity of injectors

S07.16-4046-12

1 Trim panel of cylinder head cover

2 Leak oil line

3 Graduated tube

4 Clamp

Y20 Injector 1

Y21 Injector 2

Y22 Injector 3

Y23 Injector 4

Y74 Rail pressure control valve

Y74.1 Connector of rail pressure control valve

Remove, Install

1

Remove trim panel of cylinder head cover (1)

AR01.20-S-5015A

2

Detach leak oil line (2) at injectors (Y20, Y21, Y22, Y23)

3

2 Pinch off leak oil line with circuit

*000589403700

4

Detach connector (Y74.1) at rail pressure control valve (Y74)

5

Place graduated tubes (3) on the injectors (Y20, Y21, Y22, Y23) and secure with clamps (4).

*611589012100

Inspection

6

Crank the engine and check injectors (Y20, Y21, Y22, Y23) for leakage.

After 10 seconds no more than 2 graduation lines must be reached (approx. 2 x 0.5 ccm). If leakage is greater

Install new injectors.

AR07.16-S-1000A

7

Install in the reverse order

8

Erase fault memory with STAR Diagnosis

Testing leak quantity of injectors
Testing leak quantity of injectors

000 589 40 37 00

Terminal

Leak oil test tool

611 589 01 21 00

Referenced documents