rtbiscuit Posted December 7, 2009 Share Posted December 7, 2009 Quick question, have got hold of some second hand low milage high flow cat's, have changed them over on other cars, but was wondering beofre i dismantle them do i need anything extra. basically can i reuse whats there, or do i need any kind of new crush gaskets or bolts? Quote Link to comment Share on other sites More sharing options...
srobrien Posted December 7, 2009 Share Posted December 7, 2009 Probably best to get some fresh gaskets and bolts and PLENTY of copper slip incase you need to take them off again. R Quote Link to comment Share on other sites More sharing options...
P15UL T Posted December 7, 2009 Share Posted December 7, 2009 my best advice is to give the guy at your local garage some green and stand back and let him have the hassle Quote Link to comment Share on other sites More sharing options...
nurrish Posted December 7, 2009 Share Posted December 7, 2009 I changed my cats on stands in about 3 hours on and off. Taking the wheels and arch liner off makes things a hell of a lot easier You can reuse you old gaskets and apply some gasket goo Quote Link to comment Share on other sites More sharing options...
rtbiscuit Posted December 7, 2009 Author Share Posted December 7, 2009 its hopefully going in on wednesday to have the spoiler fitted, and i'm going to get them to do the cats at the same time. just wondered if i should get any extras to help. but if you can reuse the gaskets and use some exhaust paste it should be fine. im guessing the garage should have some bolts in case of any of mine rounding out. i'll tell them about using lots of extension bars to reach etc. Quote Link to comment Share on other sites More sharing options...
Andy Posted December 8, 2009 Share Posted December 8, 2009 i'll tell them about using lots of extension bars to reach etc. Good call, that was how I did mine, got it up on stands and used a long extension from above, didn't take too long in the end but is a bit fiddly as there isn't much room to work on the upper bolts. Be careful of the sensor swap over as well but that can be done off the car. Quote Link to comment Share on other sites More sharing options...
Stew Posted December 8, 2009 Share Posted December 8, 2009 Not sure if it would be an issue but it might be beneficial to get a pair of non foulers from ZMANALEX and bung them in while it's all off. I know with HFCs there shouldn't be an issue but for peace of mind it would be the time to add them! Quote Link to comment Share on other sites More sharing options...
nurrish Posted December 8, 2009 Share Posted December 8, 2009 Not sure if it would be an issue but it might be beneficial to get a pair of non foulers from ZMANALEX and bung them in while it's all off. I know with HFCs there shouldn't be an issue but for peace of mind it would be the time to add them! +1 Quote Link to comment Share on other sites More sharing options...
rtbiscuit Posted December 8, 2009 Author Share Posted December 8, 2009 goes in tomorrow for fitting so will have to add anti foulers at a later date. but i can do that myself. if it throws a CEL at least ill know what it is. should have a spoiler and HFC's on by tommorow end of play. Quote Link to comment Share on other sites More sharing options...
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