ar0707p1453cd

Remove/install hot film mass air flow sensor

Type ar · topic 07.07 · version 0104 · 2012-05-08

Applies to: ENGINES 651 in MODELS 166, 172, 204, 207, 212, 218, 221

Where it sits

Function group 1 Engine › 07 Mixture formation › 07.07 Air volume guage, air mass guage — Series 166 · Series 172 · Series 204 · Series 207 · Series 212 · Series 218 · Series 221 · Series 651

EinPAS 15 Engine › 15.45 Engine management › 15.45.12 Sensor/switch/wiring harness — Series 166 · Series 172 · Series 204 · Series 207 · Series 212 · Series 218 · Series 221 · Series 651

AR07.07-P-1453CD

Remove/install hot film mass air flow sensor

23.4.12

ENGINES 651 in MODELS 166, 172, 204, 207, 212, 218, 221

Remove/install hot film mass air flow sensor

P07.07-2073-06

1 Hose clamp

2 Air intake pipe

3 Electrical connector

4 Screw/bolts

B2/5 Hot film mass air flow sensor

Remove/install

Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A

1

Open engine hood

Model 166

AR88.40-P-1000GQ

Model 172

AR88.40-P-1000V

Model 204.0/2/9, 218, 221

Model 204.3, 207, 212

AR88.40-P-1000EW

2

Remove cylinder head cover trim

3

Loosen hose clamp (1) and detach air intake pipe (2) from hot film mass air flow sensor (B2/5)

Installation: Check hose clamps (1) for damage; replace if necessary.

4

Disconnect electrical connector (3) at the hot film mass air flow sensor (B2/5)

5

Remove screw/bolts (4) and take hot film MAF sensor (B2/5) out of the air filter housing

Installation: Replace sealing ring on air filter housing.

Observe installation position of hot film mass air flow sensor (B2/5). The arrow on the housing identifies the flow direction of the intake air.

6

Install in the reverse order

7

Connect STAR DIAGNOSIS, read out fault memory and erase if required

Stored faults which may be caused by assembly work, test work, removed lines or a simulation, must be processed and erased in fault memories after completing the work.

AD00.00-P-2000-04A

Referenced documents