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Service bulletin 520011

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10006037
Published by NHTSA2004-04-12
Manufacturer's number520011
Manufacturer's date2004-03-01
NHTSA componentSERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM

NHTSA's summary

CORRECTIVE ACTION TO REPLACE THE VACUUM PUMP WITH A NEW PUMP OF A MODIFIED DESIGN. THIS NEW PUMP WILL BE PLACED IN A NEW LOCATION TO PREVENT WATER INTRUSION. SERVICE BULLETIN. *TT

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Brakes

Vehicles listed
VOLVO S402000
VOLVO V402000

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
03V4740002003-11-17. SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
TJ28941.1.0-20162019-11-18. Service bulletin. This is a Technical Journal: When sensitive information, like vehicle speed, brake usage, etc. (customer behavoiur information) of a car is required from Volvo Car Corporation from external sources, either of these two documents should be filled in and attached to the affected Vehicle Report. (External sources: Authority, Insurance companies, Rental companies, etc)
TJ28941-4-0-20192019-04-08. Service bulletin. This is a Technical Journal: When sensitive information, like vehicle speed, brake usage, etc. (customer behavoiur information) of a car is required from Volvo Car Corporation from external sources, either of these two documents should be filled in and attached to the affected Vehicle Report. (External sources: Authority, Insurance companies, Rental companies, etc)
521292004-04-12. Service bulletin. WATER MAY ENTER THE ELECTRICAL BRAKE VACUUM PUMP, CAUSING THE PUMP TO NOT FUNCTION. RECALL CAMPAIGN 129 BRAKE VACUUM PUMP MODIFICATION. SERVICE MANAGER BULLETIN. *TT