![]() Replace the black forward trans mount brace with 15mm nuts and 15mm side facing bolts.įinally replace all the underbody trays and enjoy the solid sounds of performance again. Next jack the trans GENTLY back up into position and replace the two upper 15mm mounting nuts. They are going deep into an ALUMINUM casting so keep the torque under 85 ft lbs. After positioning the new mount, replace and re-torque the side facing bolts. I added a fresh dab of blue Locktite to the tips before inserting, a little goes a long way, don't over apply. Two side shots confirm the rubber donuts have completely broken free, allowing the nose of the tranny to move up and down under acceleration, and side to side while turning under power (scary noises).Īs can be seen, the side facing nose mount bolts are factory treated with thread locker. Here's our part, 997 375 033 03, and this trans mount supercedes all earlier 996 turbo trans mounts, both Tiptronic AND 6 speed trans, so hopefully this DIY will help tippy's and manual folks.Īfter removing the underbody trays, this is our problem child. Get the car safely up on jack stands or whatever your preferred setup is to safely gain access to the entire underside. Floor jack to raise/lower trans nose to gain access to nose bolts. 15mm socket and 6" extension for the trans mount nuts and bolts, 16mm socket for the trans nose mount bolts. Tools needed are minimal: 1/4 drive T30 Torx bit and a 10mm deep socket to remove all the underbody plastic trays to gain access to the trans mount. The fix is easy, I'd rate it a 3 or 4 outa 10 on the difficulty scale. Props to the BlackHorsey for quickly diagnosing a broken tranny mount. So when leaving from a stop, I was feeling and hearing a noticeable thunk from the Tiptronic tranny, becoming pretty pronounced the harder I launched.
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