HotRod Posted February 15, 2009 Share Posted February 15, 2009 I need to replace the downpipe (300tdi) but attempting to undo the 3 nuts at the manifold (underneath with socket wet) its clear they are VERY tight/rusty. I've soaked with WD40 as best I can, but worried about applying too much extra leverage - are they prone to shear off? Any advice pls, thanks Quote Link to comment Share on other sites More sharing options...
western Posted February 15, 2009 Share Posted February 15, 2009 could well shear off if forced to much, plusgas is better as a release agent rather than wd40. Quote Link to comment Share on other sites More sharing options...
Les Henson Posted February 15, 2009 Share Posted February 15, 2009 Get them nice and hot, this usually helps a lot. Les. Quote Link to comment Share on other sites More sharing options...
HotRod Posted February 16, 2009 Author Share Posted February 16, 2009 Get them nice and hot, this usually helps a lot.Les. Thanks Les - do you mean run the engine hard, or break out the blowtorch? cheers Quote Link to comment Share on other sites More sharing options...
Les Henson Posted February 16, 2009 Share Posted February 16, 2009 Either one - as long as the stud/nut gets good and hot. Les. Quote Link to comment Share on other sites More sharing options...
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