Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSVOLVO2005V70 L5-2.4L TURBO VIN 54 B5244T5REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSRELAYS AND MODULES - COMPUTERS AND CONTROL SYSTEMSTECHNICAL SERVICE BULLETINSBY SYMPTOMNOISEAUDIO/COMPUTER/CONTROLS/FUEL SYSTEM - AM RADIO STATIC
2005 Volvo V70 L5-2.4L Turbo VIN 54 B5244T5
Audio/Computer/Controls/Fuel System - AM Radio Static
2005 Volvo V70 L5-2.4L Turbo VIN 54 B5244T5SECTION Audio/Computer/Controls/Fuel System - AM Radio Static
Title AM-radio static on turbo cars, caused by PEM
Ref No US6028.7.1 en-GB
Issuer -
Partner 3 US 7510 Volvo Cars North America
Func Group 3952
Func Desc antenna
Status Released
Status Date 05-17-2012
Issue Date 05-17
Reference Q2-, 050332, C-97734
Attachment
Vehicle Type
CSC Customer Symptom Codes
Text
DESCRIPTION:
Our analysis has found that the ECM can cause whining noise on the low AM-band when it communicate with
the pump electronic module (PEM), using a pulse width modulation (PWM) signal. This type of signal
normally contains a large frequency spectrum and could easily be picked up by the AM antenna. See attachment.
From M/Y 2005 the PEM was introduced on all Turbo models.
PRODUCT MODIFICATION:
From 2005 week 4 a ferrite has been added in the cable harness to PEM, this will minimize the noise on AM band.
Three different service solutions are under development for older cars.
MATERIAL RETURN:
No.
TECHNICAL REPORT:
No.
SERVICE:
* Install service kit according to Service Bulletin 39-5580.
* English bulletin included with this TJ. Other languages are available from Internet.
Service kits:
S60R, V70R (M/Y 2004), P/N 30724619.
S60, V70, S80, with steel tank sold in a few US states (M/Y 2004), P/N 30739381.
All turbo engines (M/Y 2005), P/N 30739380.
* Note: Low parts stock! Only order parts when needed.
VSTG OPERATION NUMBER:
* 39914-2 Service kit AM interference fuel pump, installation
To view TJ attachments continue to illustrations.
Ref No US6028.7.1 en-GB
Issuer -
Partner 3 US 7510 Volvo Cars North America
Func Group 3952
Func Desc antenna
Status Released
Status Date 05-17-2012
Issue Date 05-17
Reference Q2-, 050332, C-97734
Attachment
Vehicle Type
CSC Customer Symptom Codes
Text
DESCRIPTION:
Our analysis has found that the ECM can cause whining noise on the low AM-band when it communicate with
the pump electronic module (PEM), using a pulse width modulation (PWM) signal. This type of signal
normally contains a large frequency spectrum and could easily be picked up by the AM antenna. See attachment.
From M/Y 2005 the PEM was introduced on all Turbo models.
PRODUCT MODIFICATION:
From 2005 week 4 a ferrite has been added in the cable harness to PEM, this will minimize the noise on AM band.
Three different service solutions are under development for older cars.
MATERIAL RETURN:
No.
TECHNICAL REPORT:
No.
SERVICE:
* Install service kit according to Service Bulletin 39-5580.
* English bulletin included with this TJ. Other languages are available from Internet.
Service kits:
S60R, V70R (M/Y 2004), P/N 30724619.
S60, V70, S80, with steel tank sold in a few US states (M/Y 2004), P/N 30739381.
All turbo engines (M/Y 2005), P/N 30739380.
* Note: Low parts stock! Only order parts when needed.
VSTG OPERATION NUMBER:
* 39914-2 Service kit AM interference fuel pump, installation
To view TJ attachments continue to illustrations.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.