coopertrooper2001 Posted November 30, 2004 Share Posted November 30, 2004 Hi there, when I come off the accelerator or when I made a bit of a jurky gear change (now adjusted the clutch position) I get a clonking noise, sounds kinda like a loose exhaust or the engine rocking too much but really not sure. Any common things that can cause this? Loose tie bar? help. Link to comment Share on other sites More sharing options...
Area Representative paul richards Posted November 30, 2004 Area Representative Share Posted November 30, 2004 A frame bush? Paul Richards Joint AO - L.A.D.S. (Lancashire and District Sevens) Growing old is compulsory - Growing up is optional Link to comment Share on other sites More sharing options...
xflow7 Posted November 30, 2004 Share Posted November 30, 2004 Ditto Link to comment Share on other sites More sharing options...
Sid Posted December 1, 2004 Share Posted December 1, 2004 Sounds like the bush to me too. What is the part number for the A-frame bush for a live-axle XFlow? Is it Y16? Cheers, Sid Link to comment Share on other sites More sharing options...
Manxseven Posted December 1, 2004 Share Posted December 1, 2004 Engine mountings worth a check as well L7 BDA Supersprint Joy here 😬 Link to comment Share on other sites More sharing options...
blade_runner Posted December 1, 2004 Share Posted December 1, 2004 If all the bushes and mounts are ok maybe its the diff or prop 🤔 'Pinky Pics' here Link to comment Share on other sites More sharing options...
wonkey eyed barmaid Posted December 1, 2004 Share Posted December 1, 2004 if the x-flow chassis is the same as a vx live axle, then yes the a-frame bush is Quinton Hazell Y16 Link to comment Share on other sites More sharing options...
Sid Posted December 1, 2004 Share Posted December 1, 2004 Great stuff, have some on order from CC. good luck with the clunk Coopertrooper Link to comment Share on other sites More sharing options...
jerrypike Posted December 1, 2004 Share Posted December 1, 2004 could also be track-rod end bearings jerry Link to comment Share on other sites More sharing options...
coopertrooper2001 Posted December 2, 2004 Author Share Posted December 2, 2004 thanks for the replies chaps, new to the Caterham game. Car has done 5k miles and when I chatted to the Caterham salesman and asked about A frame bushes he told me they are very reliable, I asked the question after reading about them on here. Confused......... Link to comment Share on other sites More sharing options...
F355GTS Posted December 2, 2004 Share Posted December 2, 2004 Whereabouts in Hampsire are you? happy to have a listen if you fancy a blat just over the border to Berks Mark Edited as I was talking bo**ox Edited by - F355GTS on 2 Dec 2004 11:34:02 Link to comment Share on other sites More sharing options...
Mark Gregory Posted December 2, 2004 Share Posted December 2, 2004 Mark: If you get 1k miles from your A-frame bushes you're simply not trying hard enough! I change mine every 100 miles, but then that's under race conditions..... Link to comment Share on other sites More sharing options...
Stuart Faulds Posted December 2, 2004 Share Posted December 2, 2004 Erm, where did we establish this was a live axle car? If it's dedion, then the bushes *are* very reliable, but there tends to be a fair bit of noise from the diff when backing off. Link to comment Share on other sites More sharing options...
Sootysevener Posted December 2, 2004 Share Posted December 2, 2004 Hi Coopertrooper If your car is a Live axle then the CC metalastic bushes will only last between 300/1000 road miles depending how hard you drive - regardless of what CC tell you - the issue is that the rubber deteriorates when contacted by grease or oil and back axles are rarely absoluteley oil tight and dry externally. If your car is de dion axle then bushes will not come under the same lateral strain as the live axle and should last a lot longer. The use of polybushes rather than metalastic will improve durability but also stffen up the back end and this can impact on handling making a live axle marginally more back end twitchy. Changing the rear A frame bush is a 20 minute job and no big deal in the spanners department David 1989 1700XF SS with upgraditis Link to comment Share on other sites More sharing options...
coopertrooper2001 Posted December 2, 2004 Author Share Posted December 2, 2004 david and all, thanks for your replies, it is a dedion and I am on to it. Link to comment Share on other sites More sharing options...
Mr Locust Posted December 2, 2004 Share Posted December 2, 2004 Check the lower diff mounting bolts on a de-dion car. Ian Green and Silver Roadsport 😬 Link to comment Share on other sites More sharing options...
Ben Long Posted December 3, 2004 Share Posted December 3, 2004 Might be worth checking the engine mounts are secure too. I had a similar problem with one of my previous Caterhams, and it turned out to be the exhaust pipe contacting the chassis due to a missing bolt on the engine mount - going into the block This was replaced and all were tightened, which then lifted the engine/exhaust off the chassis tube by about 4mm Meant I had to do an oil change at the same time though, as this got in the way of tightening the bolts. Link to comment Share on other sites More sharing options...
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