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Thread Tools | Display Modes |
Today, 12:34 PM
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#1 | ||
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Starter Motor
Join Date: Jan 2025
Location: NE Vic
Posts: 2
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Hello good people, Charlie here and this is my first post.
Vehicle: Fiesta WQ, 5 door hatch, petrol, auto Engine: 1.6L DOHC Duratec Built: December 2007 Kms: 82k My dear little Fiesta spat coolant from the water pump a couple of weeks ago so I watched a bunch of YouTube videos, bought the aftermarket parts and special tools, arranged some hoist time at a mate's place and set to work. The job took a few days of methodical work and went very well, or so I thought. I drove about 25kms with a big grin on the face and returned to the mate's shed to pick up tools and so on. When leaving, the engine stopped suddenly and failed to restart. Investigations showed that the cams are not rotating when cranking. I pulled back the top plastic cover and can see that the timing belt is there and still firmly tensioned. Interestingly, the auxiliary belts do rotate when cranking, so it seems that the toothed 'sprocket' is slipping on the crankshaft. Ok, I am resigned to doing the whole bloody thing again but I have an important question: Is this engine of the 'interference' variety? I have seen conflicting information and some heated debate on this forum and elsewhere. I really don't want to remove the head to find out, so can anyone help with a definitive answer? |
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Today, 04:40 PM
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#2 | ||
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Starter Motor
Join Date: Jan 2025
Location: NE Vic
Posts: 2
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Further information: I can confirm that the crankshaft bolt was loose. Apparently the compressor that drives the rattle gun had been turned off without my knowledge - my fault for not checking.
And I think my previous question about interference has been answered. I tightened the crank bolt to the point where it could grab the pulley and carefully rotated it until I came to an obstruction in both clockwise and counter-clockwise directions. I can only conclude that this means it is an interference engine. So now, and this is a bit desperate, could it be that when the crank and cams become disconnected, will the cams immediately settle into a comfortable state of equilibrium and therefore not hit pistons? I don't recall hearing any metallic noises when the engine stopped. Or am I dreaming? |
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WQ Fiesta timing belt fun and games ...
Linear Mode
