Exhaust leak

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shoRunner

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I just got my car back from the shop after replaceing the flywheel with a fidanza and getting a new clutch. Now i have an exhaust leak and it runs like crap(ie hardly any power) could this be because of the exhaust leak(i need a new donut). Also the check engine light come of after i have drivin for about 5 minutes, exhaust leak also?? I also noticed when depressed the clutch at around 5k or higher there is a ringing/rattling sound, could this be an improperly installed TOB? Help please this shop is really starting to **** my off. My car went in driving very well and comes out like this. rant

<small>[ April 22, 2003, 06:53 PM: Message edited by: shoRunner ]</small>
 

SHO--ripper

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How bad a leak is it? I'm pretty sure that the T.O.B rattle wouldn't be caused by high RPM's. If there was something wrong with it i think it would rattle at idle not only at high RPM's.
 

shoRunner

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oh its pretty bad...if i'm idling i can hear almost like a quiet backfire sound coming from the donut seal area. when i went in i had no exhaust leaks headbang .
 

89 black SHO mtx

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as scott would say" codes,codes,codes". what codes are you throwing??????????? are they o2 sensor are they egr? or did they leave something unhooked??? get the codes and then get back to us we are all just guessing until we know what the computer is seeing!!! if it was me i would take it back to them and tell them its not right and tell tehm what its doing also they should replace ethe doughnut gasket as well. if the car went in running good and cameout like crap its something they did.(period). i work at a shop as well and if its not right we FIX IT. take it back to them and set there until they tell you what is wrong and see how long to fix it :mad:
 

SHO_of_SD

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There are no replaceable donuts, They Y pipe has to be taken loose, I have found that it helps to put some grease on the mating surfaces, also when you put it back together tighten the bolt alternatly so you don't overtighten one side and not the other
 

sdpatt

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SHo_Of_SD:
There are no replaceable donuts, They Y pipe has to be taken loose, I have found that it helps to put some grease on the mating surfaces, also when you put it back together tighten the bolt alternatly so you don't overtighten one side and not the other
What? No replacement donuts? Not on the exhaust manifold to Y-pipe joints, but there sure is at the ****** from the Y-pipe to the cat-back pipe. The exhaust ****** gasket can be found as the Walker 31372, the Fel-Pro 60641 and the ROL EG24807, all for about $5-$6.

That will solve the leak if it is at the cat-back ******, but it will require a re-seating of the Y-pipe to the exhaust manifolds if the leak(s) is at that gasketless joint. I have used the ultra high temperature Permatex silicone at this joint and find that it does not burn away. Amazing.

Now, regarding the CHECK ENGINE light: read the codes. Don't guess. Something is amiss in the engine control system and the engine computer is tryting to tell you what it is. Go to the Dali Design site and learn how simple and quick and simple (and free) it is to retrieve the codes.

You may chose to take the car back to the shop if the fix involves any disassembly, but most likely it is something that just wasn't installed correctly. The only way to know for sure is read the codes.

Regarding the metallic noise when you press the clutch, you will probably notice that this diminishes as the throwout bearing and the pressure plate fingers get to know each other better. I installed my own clutch and all wear items and had the same situation. I knew I had installed and adjusted everthing correctly.

As the parts break-in, you need to pull up on the clutch pedal with about 10 pounds of force to ensure that the clutch cable is properly tensioned. The Ford manual says to do this every 5,000 miles, but there is no penalty for checking the cable tension more frequently. The noise will decrease with time and miles.

<small>[ April 23, 2003, 08:32 AM: Message edited by: sdpatt ]</small>
 

shoRunner

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ok ran the codes the ones i got with the engine off were 11, so no problems and then from memory 14. With the engine on i got 41,73,25,91. I think one of my cats may have something in it cause theres like a pretty loud ping sound coming from that area, i also have almost like little backfires coming from the area of the exhaust leak.
 

shoRunner

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i'd love to have yall's thoughts before taking it back to the shop and "laying the smack down" on them. i'm begining to think more and more that the cat(s) could be clogged/falling apart causing the loss of power, cause it sounds like there's a nut shaking around inside them. one of those codes is for an oxyegen sensor so maybe that could be part of it. its real funny that when i took it in i had no driving problems and then all of sudden it drives like crap coming out of the mechanic.

<small>[ April 23, 2003, 06:00 PM: Message edited by: shoRunner ]</small>
 

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