Operation CHARM: Car repair manuals for everyone.

M/T - Noise While Coasting 3000 to 4000 RPM

87porsche05

Subject: Transmission Noise While Coasting
Model

911 Carrera
Group

3
Part Identifier

3435
Number

8708
December 4, 1987
ATTENTION: This Bulletin replaces Bulletin Group 3 Number 8708, dated October 26, 1987.

G50 Transmission A support brace is installed between the transmission and the left side exhaust manifold (arrow in picture) to avoid noise from 2nd and 3rd gear while coasting at engine speed of 3000 to 4000 RPM.

From Production Date: August 24, 1987

VIN (approximate)
91JS 12 0323 Coupe
91JS 12 5061 Club Sport
91JS 16 0290 Targa
91JS 17 0296 Cabrio

This support brace can be installed retroactively in 911 Carreras with G50 transmission (from Model Year 1987) when repairing cars with the above mentioned symptoms.

Part Numbers:
Brace: 950 301 401 00
Lock Nut: 999 084 423 02
Tightening torque: 24 N-m (17 ft. lbs.)
Conversion time: 30 T.U.