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Shifter Bushing Renewal


swgn

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Using the SH02 Shifter Housing Bushing Set for BMW 2002 from AKG Motorsport.

 

AKG website mentions that they're made from Delrin, though they are in fact Polyurethane 75D spec. AKG have a page explaining the pros/cons of Delrin vs 75D.

 

Jacked the car up at the front and put her onto axle stands. Crawled underneath and removed the rod (part 25111201238) that supports the shifting arm (the large pressed metal plate that extends out from the gearbox to the shifter location).

 

Rod is held by two bolts. One long bolt on the lower/transmission end where the bushings will be installed. Another short nut/bolt on the higher end furthest from the transmission. Both bolts are 13mm, I used a pair of ring spanners to undo everything.

 

201212-shift-bushing-1.jpg

 

⬆photo.1: Rod covered in oil and grime, looks wet as I just sprayed it with some degreaser. Spot the original bushing in place, metal-rubber-metal.

 

The rubber was all sticky and mushy, understandable based on the amount of leaked engine oil it was swimming in.

 

Managed to scrape most of this goo out and pulled the inner metal piece out with a pair of pliers.

 

201212-shift-bushing-2.jpg

 

⬆photo.2: Once the inner metal part of the bushing was pulled out, I continued to scrape the rubber mush away and was left with the metal outer band locked tight into the rod.

 

Damage to the rod most likely caused by a guibo letting to at some point and smashing against this bracket. I'll likely get a replacement part when I pull the gearbox.

 

201212-shift-bushing-3.jpg

 

⬆photo.3: another view of the remains on the original bushing. Outer metal part is stuck fast to the rod.

 

201212-shift-bushing-4.jpg

 

⬆photo.4: Tried several times to drive the old bushing out with a hammer and chisel. Even tried heating the whole thing up over a flame to get it moving. No dice.

 

Ended up using a hacksaw to carefully cut the bushing through in two places.

 

201212-shift-bushing-5.jpg

 

⬆photo.5: As soon as the second cut was made, what remained of the original bushing slid right out.

 

201212-shift-bushing-6.jpg

 

⬆photo.6: Installing the new AKG Motorsport SH02 Shifter Bushing set. Push them in either side.

 

201212-shift-bushing-7.jpg

 

201212-shift-bushing-8.jpg

 

201212-shift-bushing-9.jpg

 

⬆photo.7: Done.

 

I have a few other bits from AKG yet to install, might leave these until I pull the gearbox.

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