Hard Shift To 2Nd Gear After Cold Start; 2Nd Gear Synchronizer Ring And Assembly - Mazda 1983 RX7 Service Manual

HARD SHIFT TO 2ND GEAR AFTER COLD START - NEW PARTS CAT. J, NO. 004/92
ARTICLE BEGINNING
TECHNICAL SERVICE BULLETIN

HARD SHIFT TO 2ND GEAR AFTER COLD START

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Bulletin No.:
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DESCRIPTION
Hard shifting into second gear before the vehicle has had sufficient
time to warm up may be caused by insufficient clearance between 2nd
gear synchronizer ring and the 1-2 clutch hub. Design changes have
been made to the 2nd gear synchronizer ring and clutch hub sleeve to
correct this problem since April 1, l99l .
If you experience hard shifting into 2nd gear after a cold start with
an RX-7 (non-turbo) or Miata produced prior to April 1, 1991, replace
the 2nd gear synchronizer ring and 1-2 clutch sleeve (or 1-2 clutch
hub set) with redesigned ones. Refer to the appropriate service
information for installation procedures.
Fig. 1:

2nd Gear Synchronizer Ring and Assembly

VIN OF PRODUCTION CHANGE
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1980-91 Mazda RX-7 (non-turbo)
1990-91 Mazda Miata
J
004/92
7/7/92
Article Text
1983 Mazda RX7