I replaced the timing belt. Set TDC by using dowel on #1 cylinder closest to the timing belt. If my setting is off. Could i have damaged the valves. Ford dealer said yes. my understanding this engine was non interfarence.
Any comments. Thanks Vili
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Re: Ford Focus 2001 Z Tech
All Ford belt driven engines with the exception of the Mercury Villager (because it is really a Nissan) are non interference engines.
You will have a hard time getting it in time or to run correctly unless you use the special tools to set it though.
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Remove all the spark plugs and locate the number 1 cylinder. Place finger over spark plug hole and crank engine till it is putting air pressure on finger (this indicates valves are closed and engine) is compressing) insert wooden dowel in plug hole now and crank it by hand to watch for dowel to reach top before it starts back down, and adjust for highest point. You now have #1 at TDC. check cam lobes to make sure the valves are closed and adjust accordingly. Look for video on youtube.
The good-old-boys in my neighborhood would take out all the spark plugs, put a good, slim, wood dowel in number one cylinder, and then turn the flywheel checking the dowel to see when the piston is on TDC. It takes 3 good-old-boys. One to turn the flywheel, one to check the dowel, and one to get the beer.
I need some clarification. Did you replace the belt because it broke? If so you may need to replace the head. The problem is if the belt breaks when your moving it usually damages the head and thus needs to be replaced.
All timing on engines is always done on Number 1 cylinder. On an inline engine it is the very front cylinder nearest to the radiator. On a transverse engine it is the cylinder nearest to the belt drive pulleys.
Ford does not provide timing marks on this engine. There are special tools required to set timing correctly on this engine. However, it's been my experience that when the woodruff key is pointing straight up, you are at Top Dead Center (TDC) on cylinders 1 and 4.
In addition, you can remove the spark plug on the #1 cylinder and insert a long screwdriver into the hole so it contacts the cylinder. You can rotate the crankshaft until the screwdriver reaches the highest point and come extremely close to TDC in this fashion.
Note: you should set the camshaft timing with the cranshaft NOT at TDC because this is an interference engine, and you can damage valves if they contact the pistons. Therefore, set the crankshaft to TDC, then back off it a little to set the cam timing. When the cams are where you want them, bring the crank back to TDC for #1 and install the belt.
Hope this helps!!
No marks to align camshafts, set crankshaft at TDC, align camshaft as shown, to align, lobs on cylinder #1 have to be pointing out at 45 deg, on the other end of camshaft's will be a slot on each one insert some thing through both as shown, to hold camshaft's in place.
Remove the timing belt cover. Set the crankshaft/piston in the correct position. Now check to see if the camshaft sprocket is align with the witness mark. Both the crankshaft and camshaft has to be aligned else your timing is off and you will have to take the belt off and re-installed correctly. Even if off 1 notch.
Hopefully you will never buy another car with a timing belt. It's a false economy saving.
if your plugs are on top, take the 1 cylinder plug out an insert a screwdriver inside of it. turn the cam until the screwdriver is to the last point of coming up. do this slowly because you don't want to be on the down stroke of tdc
if it like a 98 there are 2 slots on the far end of the cams.remove spark plug #1 closest to the timing belt and set to tdc....then align the two slots so you can get a straight edge into both at the same time....i use a piece of keystock.....place the belt on and thats it....really qiute simple