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XC70 L5-2.5L Turbo VIN 59 B5254T2 (2003)

Engine, Cooling and Exhaust > Engine > Timing Components > Variable Valve Timing > Variable Valve Timing Solenoid > Component Information > Technical Service Bulletins > All Technical Service Bulletins for Variable Valve Timing Solenoid: > 2210051 > Feb > 04 > Engine - Knock/Rattles/Low Power/DTC's Set

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Variable Valve Timing Solenoid: All Technical Service Bulletins
Engine - Knock/Rattles/Low Power/DTC's Set

S60/S80/C70/V70 (01-)/V70XC (01-)/XC70/XC90
2002-

Section 

2

Group 

21

No. 
0051

Year 

04

Month 

02

Vehicles involved: Gasoline engines 2002- with Bosch engine management systems.

VVT solenoid, cleaning

Background

This service bulletin describes a possible reason for one or more of the following symptoms

-

Diagnostic trouble codes 640A, 641A, 643A, 644A, 640F, 641F

-

Engines appears to lack acceleration power

-

Knocking and rattling from engine

These symptoms may be caused by sticking of the VVT solenoid plunger due to impurities (metal filings ) left by the manufacturing process. If these
symptoms are present, the VVT solenoid must be inspected and cleaned as described below. This procedure does not apply to cars equipped with Denso
engine management systems, engine code 61 and 64.

Materials

Description Quantity

Part No.

Seal

1

1275569

Transmission VVT solenoid, inspection and cleaning

Inspection

1

Remove VVT solenoid from camshaft cover.
Blow through center hole with compressed air.
Air should emerge from inner hole (1) nearest coil.

Engine, Cooling and Exhaust > Engine > Timing Components > Variable Valve Timing > Variable Valve Timing Solenoid > Component Information > Technical Service Bulletins > All Technical Service Bulletins for Variable Valve Timing Solenoid: > 2210051 > Feb > 04 > Engine - Knock/Rattles/Low Power/DTC's Set

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