redline racer Posted April 30, 2006 Share Posted April 30, 2006 Hi, Im doing a bit of head work on a mk 5 2L corty, is it worthwhile cahanging the cambelt? I have a haynes manual for the car which says the belts are strong and dont tend to strech considerably and that only if the motor is getting a complete overhaul (which it isnt) it dosnt need to be changed, is this true? The belt appears to be in ok condition although it has a very small minor amount of fraying along one edge over about 100mm aprox. Quote Link to comment Share on other sites More sharing options...
ESKIN8R Posted April 30, 2006 Share Posted April 30, 2006 id say play it safe, and just do it, ive had a cambelt snap on me... not a good thing Quote Link to comment Share on other sites More sharing options...
peteretep Posted April 30, 2006 Share Posted April 30, 2006 there would be no harm in changing it, depends if you can be bothered/have enough money Quote Link to comment Share on other sites More sharing options...
CaMpylobacter Posted April 30, 2006 Share Posted April 30, 2006 for liek 15-20 bucks, you're really silly not to do the tensioner too if it's at all rubmly, or if youdon't know it's history.. cheap insurance Quote Link to comment Share on other sites More sharing options...
Burntrubber Posted April 30, 2006 Share Posted April 30, 2006 How long ago was it done if you dunno I would change it. I did a roll back on this steep hill one day in my old Escort and it striped the teeth off the belt at high revs I cranked it and thought oh no that don't sound good poped the hood looked at it cranked it a few more times eventually noticed the cam pully was'nt moveing engine was all good though. Quote Link to comment Share on other sites More sharing options...
Gaz Posted April 30, 2006 Share Posted April 30, 2006 haha of course you should replace it if it has a frey on it. Especially if you are working the engine a little. Quote Link to comment Share on other sites More sharing options...
redline racer Posted April 30, 2006 Author Share Posted April 30, 2006 Cheers guys, im going to do the belt, just wasnt sure why the haynes manual recomend leaving it until a complete overhaul? seems stupid as the belt may well stretch and or break although the manual states otherwise. Quote Link to comment Share on other sites More sharing options...
Raizer Posted April 30, 2006 Share Posted April 30, 2006 Cheers guys, im going to do the belt, just wasnt sure why the haynes manual recomend leaving it until a complete overhaul? seems stupid as the belt may well stretch and or break although the manual states otherwise. Non interferance motor, so its not a real biggie if it breaks Quote Link to comment Share on other sites More sharing options...
mk2_escort Posted April 30, 2006 Share Posted April 30, 2006 the cambelt snaped on my dads rally car once, pretty much destroyed all the valves, and pistons were no good any more. big price to pay for something that costs so little... goodbye heavily worked head Quote Link to comment Share on other sites More sharing options...
fuel Posted April 30, 2006 Share Posted April 30, 2006 I'm pretty sure the Cortina cam belt shares the same belt with the Mitsi 1.6L/1.8L/early 2.0L SOHC engines. Bosch BT089 I think it is. Quote Link to comment Share on other sites More sharing options...
corrupt Posted April 30, 2006 Share Posted April 30, 2006 yeh do it ay, cheap as and saves you getting a tow home on the back of a truck if the teeth get stripped off it like what happend on mine. only took me the best part of an hour to replace it and have it running again. id tend to not do the tensioner unless you really had to or could get one off another engine, i went to a few shops to get quotes for one, couple of hundy at places like bnt appco etc for some odd reason repco gave me a quote for 80, when it came up on their computers as 350 or some bs amount. Quote Link to comment Share on other sites More sharing options...
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