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Author Topic: Crank rear main seal replacement- special tool required?  (Read 211 times)

Offline Bluest

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Crank rear main seal replacement- special tool required?
« on: 23 August 2026, 11:55 »
I'm mid-way through a clutch replacement and was planning on replacing the crank seal.at the same time. Mine isn't leaking, but all advice seems to to change while I'm in there. Ive got AKS billet one to go in.

However, ive come to do and the Haynes says the install is essential, which I didn't realise. The tool seems to cost £70+!

Can the new seal be fitted effectively without the tool or is just gling to start leaking? Im tempted to just leave my old one in as it isn't leaking.
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Offline joe6

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Re: Crank rear main seal replacement- special tool required?
« Reply #1 on: 23 August 2026, 20:13 »
Changed the clutch and dmf on my mk6 at about 90k  miles but left the main seal. Done 15k since with no problems. Definitely need the tool if replacing.
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Mk6 GTI Carbon Grey, 2010 Bluetooth and voice fitted, a few VCDS mods still a comfortable family car. Red Scirocco 2011 twin charger stage 1 - enjoyable drive now gone.  White 2016 Polo GTI (roller skate on steroids) replaced with an Indium Grey 2019 7.5 GTI PP.

Offline Bluest

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Re: Crank rear main seal replacement- special tool required?
« Reply #2 on: 23 August 2026, 20:14 »
Problem probably solved. Elring (the seal manufacturer) have a video showing how to use 1.25l Coke bottle at a make-shift seal installation tool. Shall give that a go tomorrow.
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Offline Bluest

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Re: Crank rear main seal replacement- special tool required?
« Reply #3 on: 25 August 2026, 19:29 »
The drink bottle based hone-made tool worked perfectly!
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