Car Fix DIY Videos

Here I show how to change the gearbox mount (transmission carrier) on my Porsche 911 turbo. The process is the same on all 996 and 997 C2, C4, Turbo, GT3 and GT2 cars. This was done in the middle of my install of the Numeric shifter, but the film was getting so long that I made this into its own shorter video. The reason for doing so was that my car had the aftermarket Rennline gearbox bushing, and I suspected it causing excess noise in the car. Since I was installing the full Numeric kit, with the cables, I wanted to reduce NVH from the gearbox, since the cables will add noise.

Old part number: 99637533103
New part number: 99737503303
Rennline Bushing: PFR57-531

Alternate part numbers:
99637533103, 99637503303, 99737503301, 99737503302,
99737503303, 99737503303, 9963750303

Model years with same part:
Porsche 996 C2 / C4 2002-05 TIPRTONIC
Porsche 996 TURBO 2001-05
Porsche 996 GT3 2000-05
Porsche 997 C2 / C4 2005-08 TIPTRONIC
Porsche 997 TURBO 2007-09
Porsche 997 TURBO 2010-12 (G97.55)
Porsche 997 GT3 2007-11 (G97.90)

Tools:
Teng Tools 1/2 in Square Ratchet, 600 mm – 1201A
Teng Tools Ratcheting Combination Spanner Set – 6508RSMM
Teng Tools 111 Piece Set -TM111
STANLEY 8 Screwdriver Set
WD-40 Specialist Rust Release Penetrant
Quick Jack BL-5000SLX

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