ar0707p1453cmg

Remove/install hot film mass air flow sensor

Type ar · topic 07.07 · version 0101 · 2009-06-15

Applies to: ENGINE 156 in MODEL 204, 212

Where it sits

Function group 1 Engine › 07 Mixture formation › 07.07 Air volume guage, air mass guage — Series 156 · Series 204 · Series 212

EinPAS 15 Engine › 15.45 Engine management › 15.45.12 Sensor/switch/wiring harness — Series 156 · Series 204 · Series 212

AR07.07-P-1453CMG

Remove/install hot film mass air flow sensor

10.6.09

ENGINE 156 in MODEL 204, 212

Remove/install hot film mass air flow sensor

P07.07-2069-06

1 Top section of air filter housing

2 Bottom section of air filter housing

3 Clip

4 Bolts

B2/6 Left hot film MAF sensor

B2/7 Right hot film MAF sensor

Remove/install

Danger!

Risk of injury caused by fingers being pinched or crushed when removing, installing or aligning hoods, doors, trunk lids, liftgates or sliding roof

Keep body parts and limbs well clear of moving parts.

AS00.00-Z-0011-01A

1

Remove front engine cover

Do not tilt front engine cover, but lift upwards vertically otherwise the retaining lugs can break off.

2

Remove cover from right hot film mass air flow sensor (B2/6) or left hot film mass air flow sensor (B2/7) in the upward direction

3

Open each clamp (3)

4

Remove right air filter housing or left air filter housing

The left hot film mass air flow sensor (B2/6) and the right hot film mass air flow sensor (B2/7) are each located in the top section of the air filter housing.

AR09.10-P-1150CMG

5

Remove bolts (4)

6

Disconnect top section of air filter housing (1) from bottom section of air filter housing (2)

Installation: In case of a defect, the left hot film mass air flow sensor (B2/6) and the right hot film mass air flow sensor (B2/7) must be completely replaced with the top section of the air filter housing (1).

7

Install in the reverse order

Danger!

Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near the engine as it is running

Secure vehicle to prevent it from moving by itself.
Wear closed and snug-fitting work clothes.
Do not touch hot or rotating parts.

AS00.00-Z-0005-01A

8

Carry out engine test run

Referenced documents