Corrosion has got the better of my gearbox drain plug, I have the proper hex key and managed to get the fill plug out the drain plug however is fairly rounded internally and cant get the key to grip, so any magic solutions gratefully received. I have a decent lip to work with and thought about trying to tease it round with a chisel.
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Rounded oil plug removal ?
- Thread starter Gazc2
- Start date
infrasilver
Moderator
- Joined
- 4 Oct 2010
- Messages
- 9,934
Heat would always be first on my list and also chiseling it around if not then its drill it out.
Also depending how it comes out you may need to re-thread the gearbox.
Also depending how it comes out you may need to re-thread the gearbox.
Alex
Nordschleife
- Joined
- 6 Mar 2014
- Messages
- 22,172
Heat and then I'd have a go at knocking something into the rounded Allen socket like an oversized Torx bit. Even a flat head screwdriver if you have one the right width.
Make sure you heat round the casting and not the plug itself (sorry for stating the obvious).
Make sure you heat round the casting and not the plug itself (sorry for stating the obvious).
stichill99
Sao Paulo
- Joined
- 3 Nov 2013
- Messages
- 962
Had a similar problem while changing pto shaft yesterday, One of the 5 bolts rounded. I used a pointed punch and got it moving. Bolt was wrecked anyway so no harm done. Why do Massey Ferguson use such crap bolts! When I bought my Boxster years ago (Only been OPC serviced) when I went to do oil change the sump plug was gouged out in a terrible state!
Gaz, this is common, even when you use the correct Allen head socket there is a little bit of play. The plug is really soft so they round off in time. Because they are so soft if you try to use a chisel you will probably just chew it up. On mine I had to get my brother to weld a bolt onto it and wind it out. I think a new plug was about £14.
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