Check & Cut Valve - Whistle Noise
Category Applicable Model/s Subject Bulletin No. 015/854 1980 - 85 RX-7 WHISTLE NOISE FROM Issued 9/20/85
1981 - 85 GLC CHECK & CUT VALVE Revised
DESCRIPTION
Modified check & cut valves are available as service parts for 1981-1985 RX-7 and 1982-1985 GLC in order to prevent a whistle noise. The whistle noise tends to occur from the check & cut valve at high temperature and low fuel level, and can be heard from the rear of the vehicle.
If a customer complains about the whistle noise, replace the check & cut valve with the modified one.
WHISTLE NOISE FROM CHECK & CUT VALVE:
The part numbers of 8341-42-910 for RX-7/GLC and BA01-42-910 for GLC have not been changed, however, a modified check & cut valve can be distinguished from an unmodified one by the production date stamped on the bracket as shown.
The check & cut valves produced on and after the following date are the modified ones.
RX-7 August 10, 1985 (58A)
GLC September 1, 1984 (49A)
With regard to GLC, the modified check & cut valve has been already installed since the production of September 1, 1984.
VIN OF PRODUCTION CHANGE
GLC Sedan: JM1BD221 F0806474 September 1, 1984
3-Door Hatchback: JM1BD231 F0806124 September 1, 1984
5-Door Hatchback: JM1BD241 F0800198 September 1, 1984
PARTS INFORMATION
PART NUMBER DESCRIPTION APPLIED MODEL
8341 42 910 Check Valve 1980-85 RX-7
1981 GLC
BA01 42 910 Check Valve 1982-85 GLC