Remove/install hot film mass air flow sensor

AR07.07-S-1455EA

Remove/install hot film mass air flow sensor

12.03.2019

Engine

654.9 in model 447

1

Hot film mass air flow sensor

3

Air cleaner housing

4

Sealing ring

2

Screw

Topical note

Notes on avoiding damage through contamination and foreign objects

AH00.00-P-5000-01A

Topical note

Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A



Remove

1

Remove air filter housing (3).

AR09.10-S-1150EA

2

Unscrew bolts (2).

3

Remove hot film mass air flow sensor (1) from air filter housing (3) and seal hot film mass air flow sensor (1) with protective cover.

 Set of protective covers

*001589039100

4

Remove sealing ring (4) from the air filter housing (3).

 Assembly tool

*000589936300



Install

5

Install new sealing ring (4) in the air filter housing (3).

 Assembly tool

*000589936300

6

Remove protective cover.

7

Attach hot film mass air flow sensor (1) to the air filter housing (3).

8

Screw in screws (2) and tighten.

 Screw, hot film mass air flow sensor to air filter housing

*BA09.10-N-1003-01EA

9

Install air filter housing (3).

AR09.10-S-1150EA

10

Perform initialization of the hot film mass air flow sensor (1).

If a new hot film mass air flow sensor (1) is installed.



AD00.00-S-2000-04E



Check

 Warning

Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.

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

AS00.00-Z-0005-01A

11

Perform engine test run and check intake air system for proper operation and leak tightness.

 Air filter

Number

Designation

Engine 654.9 in model 447

BA09.10-N-1003-01EA

Screw, hot film mass air flow sensor to air filter housing

Nm

2