M/T - 5th Gear Vibration/Droning Noise

9231nissan01

Classification:
MT92-005


Section:
Man. Trans.


Models:
1991-92 240SX (S13)


Date:
April 30, 1992


Reference:
TECHNICAL BULLETIN NTB92-037


240SX 5TH GEAR VIBRATION


APPLIED MODELS:
1991-92 240SX (S13) with Manual Transmission

APPLIED V.I.N.s:
Coupe JN1MS34P(*)MW000001 - NW102254
Fastback JN1MS36P(*)MW000001 - NW103982

APPLIED PRODUCTION DATES:
July 1990 - July 1991

SERVICE INFORMATION:

Some 1991-92 240SX models equipped with manual transmission may have a vibration and/or droning noise when driving between 45 - 65 mph in 5th gear. The vibration/noise will occur only in 5th gear and may be caused by the dynamic balance of the Over Drive (O.D.) countershaft being out-of-specification. In these cases, the O.D. gears and countershaft will have to be replaced as a set.

SERVICE PROCEDURE:

Follow the diagnostic procedure [see next page] to determine if the vibration/noise is caused by O.D. countershaft imbalance. If the condition does not appear to be related to this cause, contact the Nissan FIXS Hotline, which can provide additional assistance in diagnosing power train vibrations.

PARTS INFORMATION:
Description Part #
Gear Set - Overdrive 32310-55S5A

WARRANTY INFORMATION:
Operation 0p Code PNC CS CT FRT
R&I Manual Transm. HC01AA 32211 4S 31 2.6 hrs.

Combination:
O'haul Manual Transm. HC031A 2.9 hrs.

NOTE:
For claims/diagnosis not involving Countershaft replacement, please reference Section "HC" for the applicable PNC/OP Code Combination(s).





240SX 5TH GEAR VIBRATION DIAGNOSTIC PROCEDURE