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Service bulletin 4337

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 id10001266
Published by NHTSA2003-04-25
Manufacturer's number4337
Manufacturer's date2003-02-25
NHTSA componentPOWER TRAIN

NHTSA's summary

SHIFT QUALITY ISSUES DUE TO B4 SERVO COVER FAILURE, 2-3 UPSHIFT HARSHNESS OR FLARE. *SCC

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

Transmission and driveline

Vehicles listed
VOLVO S602001, 2002
VOLVO V702001, 2002
VOLVO V70XC2001, 2002 (the catalog's model; the bulletin names a series or trim of it)

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

Other bulletins for the same vehicles and component
TJ20803.21.0-2022020-02-24. Service bulletin. This is a Technical Journal: In case of complaint of Noise, some "tools" have been created to help you to do a better and more precise fault tracing
TJ-US167612011-06-07. Service bulletin. VOLVO: THERE IS A SOFTWARE UPDATE. *RM UPDATED 4/11/2012. *KB UPDATED 4/13/12. *PE UPDATED 5/15/12. *PE UPDATED 6/4/12. *PE
RTJ-221032010-06-28. Service bulletin. VOLVO: REAR DIFFERENTIAL HOUSING, LEAKAGE AND RESEALING. OIL LEAKAGE/MOISTURE FROM THE REAR DIFFERENTIAL HOUSING HALVES CAN BE RESOLVED BY RESEALING THE HOUSING AND REPLACING THE SEALS. THE REAR DIFFERENTIAL ITSELF DOES NOT NORMALLY NEED TO BE REPLACED. *PE
RTJ-213242010-03-24. Service bulletin. VOLVO: THE 5 SPEED AUTOMATIC TRANSMISSION, AW55-50/51, HAS A BOLT ON TOP THAT ANCHORS THE B4 BAND, WHICH APPLIES 3RD GEAR. IF THAT BOLT IS REMOVED, THE BAND WILL BE DISENGAGED AND 3RD GEAR WILL BE INOPERATIVE. THIS INCLUDES C70 COUPE AND CONVERTIBLE, S60 R AND V70 R VEHICLES. *PE
43512006-08-22. Service bulletin. TRANSFERRING COMPONENTS DURING TRANSMISSION REPLACEMENT. *TT
40022005-09-13. Service bulletin. TRANSMISSION CONTROL MODULE (TCM) UPGRADES AVAILABLE TO CORRECT COMPLAINTS/SYMPTOMS. *TT
43472005-08-31. Service bulletin. DIFFICULT TO ENGAGE 1ST AND/OR REVERSE GEAR. *TT
43462004-09-02. Service bulletin. HARSH / DELAYED P, R OR N TO D SHIFT. *TT
43382003-04-25. Service bulletin. AW 55-50 NEUTRAL CONTROL FUNCTION, VALVE BODY DIAGNOSIS, TRANSMISSION CONTROL MODULE DIAGNOSTIC TROUBLE CODE 012A AND 012B. *SCC UPDATED REPAIR METHOD. THIS BULLETIN SUPERSEDES THE PREVIOUS DATED 2-9-2004. *TT
43322002-10-21. Service bulletin. SOME VEHICLES WITH THE AW55-50 GEARBOX MAY EXPERIENCE 2-3 UPSHIFT FLARE, SLIPPING, TACHOMETER NEEDLE JUMPING UP OR THE ENGINE RACING DURING A SHIFT. QUALITY UPGRADE HAS BEEN DEVELOPED TO MINIMIZE THIS CONDITION. *TT