Garth Posted February 25, 2018 Share Posted February 25, 2018 Can anyone tell me at what interval age/mileage they should be replaced? Link to comment Share on other sites More sharing options...
stan Posted February 25, 2018 Share Posted February 25, 2018 According Caterham schedulle : 6 years / 60 000 kmaccording Ford : 10 years / 160 000 km Link to comment Share on other sites More sharing options...
Garth Posted February 25, 2018 Author Share Posted February 25, 2018 Thanks Stan - mine is about 8 years old with about 25k on the clock so probably sensible to get it done! Do you know if it is easier to do with the engine out? Link to comment Share on other sites More sharing options...
ChrisC Posted February 25, 2018 Share Posted February 25, 2018 It’s not engine out, but it’s not simple because Caterham advance the cam over the stock ford settings. If you set it like standard ford you will lose horsepower. Easiest option is get it done by a Caterham specialist, or be prepared to get your dial gauge out. Link to comment Share on other sites More sharing options...
stan Posted February 25, 2018 Share Posted February 25, 2018 http://workshop-manuals.com/ford/focus_2004.75_07.2004/mechanical_repairs/3_powertrain/303_engine/303-01b_engine_1.6l_duratec-16v_ti-vct_(sigma)/description_and_operation/diagnosis_and_testing/general_procedures/in-vehicle_repair/timing_belt_vehicles_built_from_04-2005/ Link to comment Share on other sites More sharing options...
stan Posted February 25, 2018 Share Posted February 25, 2018 remove the cam cover and look to the rear of the camshafts if the groves are horizontal and aligned at the TDC then it's the Ford original timing, if not : follow Chris advice Link to comment Share on other sites More sharing options...
Garth Posted February 26, 2018 Author Share Posted February 26, 2018 Am not going to attempt to do it myself, engine had upgrades!I have the engine out at the moment and interested to know if it will be easier for someone to do now? Link to comment Share on other sites More sharing options...
ChrisC Posted February 26, 2018 Share Posted February 26, 2018 If its out now, get it done. I would change a trimming belt if the opportunity arises, providing its had a reasonable service live. In your example 8 years is beyond Caterhams recommendation but below Fords, so the choice is obvious. I suspect when the engine had upgrades it was changed then, but if you don't have evidence of that then a better safe that sorry approach is all that can be recommended. Link to comment Share on other sites More sharing options...
Garth Posted February 26, 2018 Author Share Posted February 26, 2018 Thanks chaps - will get it changed while engine out. Link to comment Share on other sites More sharing options...
Bone Rat Posted February 28, 2018 Share Posted February 28, 2018 Hi,Had my 2010 Sigma 150's belt replaced last year at Millwood because of the potch with the timing, would also recommend have the water pump or aux tensioner replaced as per other manufacturers (e.g. VAG). The tensioner seized up causing the water pump to leak. This needed another trip to have that replaced. I was chatting there and anecdotally they were getting a number back after the cambelt was replaced. The aux belt has to come off first obviously. All were about the same age and type.From what I understood the disruption of the change upset the custom built Caterham tensioner so that it constantly increased the aux belt tension putting lateral strain on the pump, ended up with a leak down the front of the block. The aux belt twanged like a violin string it was so tight. It's not a usual Ford Sigma part so doesn't figure on the Ford manual. All a bit of a painAndy Link to comment Share on other sites More sharing options...
Garth Posted February 28, 2018 Author Share Posted February 28, 2018 Thanks for the heads up Andy - am getting Premier Power to do the work and am replacing the waterpump and tensioner on their advice! hope there are not too many other things that need replacing! Link to comment Share on other sites More sharing options...
Stephen Long Posted March 1, 2018 Share Posted March 1, 2018 Had mine done by premier power He do a great job Longy Link to comment Share on other sites More sharing options...
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