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ZETEC Performance (2000-2004) The place to chat about any 2.0L Zetec engine performance, tuning and exhaust related upgrades.

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Old 06-01-2019, 12:24 PM   #61
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^^^^^^^^^^^^lolol lololol
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Old 06-01-2019, 12:44 PM   #62
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Yes, definitely don't but cheap motor mounts, you'll just be back doing it again very quickly. I replaced passenger side and the transmission one that is right underneath air box with OEM Motorcraft, the rear dog one one that connects bottom back side of transmission to subframe I took the old one off, used a knife and cut all the rubber out, cleaned it down to bare metal with a wire wheel attached to drill to get the remaining rubber off and bought the polyurethane inserts from Energy Suspension and pressed those in with my hands and a rubber mallet. You have to be careful with the orientation of the large insert, it had like an indention that goes to the subframe side. Bought the inserts off eBay or somewhere. They're source able, just takes a bit of time and effort, especially in AU. But I think I paid $20.00 or something. A lot better than buying the unit at $100+.
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Old 06-03-2019, 01:48 AM   #63
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Awesome thread, it looks like you've been going through many of the same things that I have.
If only I had read all of this before starting new threads of my own.
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Old 06-03-2019, 05:16 AM   #64
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All good, i thought someone mentioned the ribbed air intake hose was a bad bottleneck. if it's not, I wont bother touching it. Aesthetically I dont really care either way, but I'm just trying to squeeze a little more power out of it as I go. But it doesnt sound useful, so I'll leave it.

If it's in the engine mounts, I'm curious as to why it seems to disappear as the engine heats up? It's never fully gone, but it does lessen the longer the engine runs. First thing I will do is clean out that IAF valve that was mentioned. Seems a simple enough attempt, and rules it out as an issue if it still does it. And if it doesnt, the cleaner is like 7 dollars a can so great.

On another note, my exhaust has shown up and been put on. This is in my closed garage at the time so it's reverbing a bit. I'll get a better video some other time.

YouTube Video
ERROR: If you can see this, then YouTube is down or you don't have Flash installed.


The bloke who did it says it wasnt an exact fit, which is a shame as it's sold as for the 00-07 models, and says it may knock. I havent heard any knocking yet though. And the exhaust tip sticks out very far, not as far as like a towbar or something but still.
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Old 06-03-2019, 07:11 AM   #65
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Make sure all the junctions are fully inserted. There eis 4-6" of pipe at each peice that gets used up. It's likely the guy installing it did jot push the exhaust all the way together before claiming it down.... Which is a shame because once clamped down will. Be hard to fix.
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Old 06-04-2019, 05:26 AM   #66
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Yeah I dont think I'll be getting it off any time soon. I'll leave it for now, shouldnt get me in any trouble. But next time I send it for a service I might see if they can just lift it and maybe give it a better fit. Failing that, maybe a smaller exhaust tip one of the guys suggested at work.

I popped the hood for him, and we were discussing cleaning out the IAC. I pointed out a hole on the side of the airbox that was open, and said it was suppsoed to have a hose in it. After a few seconds, I pulled the hose out that was supposed to be there and put that in. Apparently that recycles some exhaust (?) back through the air intake? Would that be causing my high fuel consumption?

I'll get the engine mounts looked at the next time it gets serviced. Theres definitely something wrong. When I got it back with the new motor, they originally told me the engine was building a vacuum but that doesnt really seem to be the case.

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Old 06-04-2019, 06:18 AM   #67
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You have an EGR but that stuff is all connected via hard line and to the intake manifold not the air box.

The only thing that connects to the air box is the valve cover breather. The pistons use rings which have gaps so during compression some very small amounts of air leak past it. You have two locations where this gets "vented". The Valve cover through that hose to the air box. And then the PVC that's hidden behind the catalytic converter on the engine block which has a hose that connects to the intake manifold.

Your seeing low fuel economy? Able to post what your getting in MPG?

Not sure what you mean by the last paragraph about "was building vacuum".
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Old 06-04-2019, 07:02 AM   #68
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Specifically that little tube thing at the bottom. I dont know what it does, I'm just going by what he told me. A tube that runs from the valve cover has a little slot on it that makes it fit perfectly on that little hole. So I've plugged it in there, it previously was just hanging down from the valve cover and not going anywhere. So it's taking some excess air from the pistons and feeding it back to the airbox? Will that make much of a difference anyway being plugged in? I havent touched any other piping to my knowledge.

Yeah it seemed for a while to really drain fuel, but I've been keeping an eye on it. It doesnt seem excessive, I think I've just been running it a bit harder to try out all the new additions. I drove an hour and 40 minutes the other week on a full tank, and the needle didnt move off the full mark. It only did when I took a less direct route back home. But then driving to work it seems to use alot. I'll see if I can get a basic MPG some time, but I dont think it;s a huge concern. Just seems to be more my driving.

I dunno there. I had the new motor put in, and it was vibrating. I asked the mechanic who put it in what it was and he just sort of shrugged and said it was probably creating a vacuum. That's the extent of what I heard about it, and know about it. Cant offer any more input on it because I didnt say that was what was causing it.
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Old 06-04-2019, 09:07 AM   #69
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Sounds like the places your taking the car to are taking you for a trip...

that elbow is is the valve cover breather. Per at least US laws any fumes or byproducts must go through a filter or the catalytic converter. It will make no difference if its pugged in or not. It is all before the MAF so this air is not metered yet.

Many people will disconnect this and just put a filter on the valve cover or will ditch the whole PVC system and will run a oil catch can.

If you had a new motor put in then you should not have to clean anything. if any of the parts are dirty then again who ever did your rebuild was lazy and did not clean things up.

"the mechanic who put it in what it was and he just sort of shrugged and said it was probably creating a vacuum" I would not take anything to this guy any more. creating a vacuum. could you be miss interpreting and is creating a vacuum leak? The engine under anything other than Wide Open Throttle is suppose to be creating a vacuum. and things like unattached hoses or leaking gaskets create vacuum leaks.
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