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Re: Erratic Idle
Hootie wrote:
> Anyone know what the best way is to find out where the vacuum leak is? A good pair of humanoid auditory sensors. --- avast! Antivirus: Outbound message clean. Virus Database (VPS): 0621-1, 05/22/2006 Tested on: 5/22/2006 1:49:56 PM avast! - copyright (c) 1988-2006 ALWIL Software. http://www.avast.com |
Re: Erratic Idle
"Hootie" <hootie@hootie.com> wrote in message
news:nilcg.181249$P01.80454@pd7tw3no... > Anyone know what the best way is to find out where the vacuum leak is? > Since most vacuum leaks come from cracks in the rubber vacuum hose where it attaches to nipples in various places (okay, guys, wipe those weird images out of your minds!) you can take any of the common approaches: *buy a bunch of vacuum hose in all the sizes you see under the hood and spend an hour or so replacing them all. The cost is reasonable and the benefits are lasting. *feel near the end of each hose for cracks and replace or trim the cracked end from the bad one(s). Repeat next time there is a vacuum leak. *if you can hear a whistle, try to isolate it. It isn't easy, but combined with the change in pitch if you get your finger on a crack it may pan out. Repeat next time.... *buy a vacuum pump/guage combo - about $30 US IIRC - and see which hoses that come off the intake manifold hold vacuum. It is also possible to do it with the suck to draw a vacuum and place your tongue over the end to see if it holds, but that is really the po' boy's method and can get you an odd reputation. Repeat next time.... Mike |
Re: Erratic Idle
"Hootie" <hootie@hootie.com> wrote in message
news:nilcg.181249$P01.80454@pd7tw3no... > Anyone know what the best way is to find out where the vacuum leak is? > Since most vacuum leaks come from cracks in the rubber vacuum hose where it attaches to nipples in various places (okay, guys, wipe those weird images out of your minds!) you can take any of the common approaches: *buy a bunch of vacuum hose in all the sizes you see under the hood and spend an hour or so replacing them all. The cost is reasonable and the benefits are lasting. *feel near the end of each hose for cracks and replace or trim the cracked end from the bad one(s). Repeat next time there is a vacuum leak. *if you can hear a whistle, try to isolate it. It isn't easy, but combined with the change in pitch if you get your finger on a crack it may pan out. Repeat next time.... *buy a vacuum pump/guage combo - about $30 US IIRC - and see which hoses that come off the intake manifold hold vacuum. It is also possible to do it with the suck to draw a vacuum and place your tongue over the end to see if it holds, but that is really the po' boy's method and can get you an odd reputation. Repeat next time.... Mike |
Re: Erratic Idle
"Hootie" <hootie@hootie.com> wrote in message
news:nilcg.181249$P01.80454@pd7tw3no... > Anyone know what the best way is to find out where the vacuum leak is? > Since most vacuum leaks come from cracks in the rubber vacuum hose where it attaches to nipples in various places (okay, guys, wipe those weird images out of your minds!) you can take any of the common approaches: *buy a bunch of vacuum hose in all the sizes you see under the hood and spend an hour or so replacing them all. The cost is reasonable and the benefits are lasting. *feel near the end of each hose for cracks and replace or trim the cracked end from the bad one(s). Repeat next time there is a vacuum leak. *if you can hear a whistle, try to isolate it. It isn't easy, but combined with the change in pitch if you get your finger on a crack it may pan out. Repeat next time.... *buy a vacuum pump/guage combo - about $30 US IIRC - and see which hoses that come off the intake manifold hold vacuum. It is also possible to do it with the suck to draw a vacuum and place your tongue over the end to see if it holds, but that is really the po' boy's method and can get you an odd reputation. Repeat next time.... Mike |
Re: Erratic Idle
Michael Pardee wrote:
> "Hootie" <hootie@hootie.com> wrote in message > news:nilcg.181249$P01.80454@pd7tw3no... > >>Anyone know what the best way is to find out where the vacuum leak is? >> > > Since most vacuum leaks come from cracks in the rubber vacuum hose where it > attaches to nipples in various places (okay, guys, wipe those weird images > out of your minds!) you can take any of the common approaches: > *buy a bunch of vacuum hose in all the sizes you see under the hood and > spend an hour or so replacing them all. The cost is reasonable and the > benefits are lasting. > *feel near the end of each hose for cracks and replace or trim the cracked > end from the bad one(s). Repeat next time there is a vacuum leak. > *if you can hear a whistle, try to isolate it. It isn't easy, but combined > with the change in pitch if you get your finger on a crack it may pan out. > Repeat next time.... > *buy a vacuum pump/guage combo - about $30 US IIRC - and see which hoses > that come off the intake manifold hold vacuum. It is also possible to do it > with the suck to draw a vacuum and place your tongue over the end to see if > it holds, but that is really the po' boy's method and can get you an odd > reputation. Repeat next time.... I had a leaky vacuum-advance diaphragm on my Accord's distributor that I didn't know about because it wasn't audible like a leaky hose tends to be.... I found it by pinching off the vacuum hoses (gently, with non-serrated pliers) one at a time until pinching one caused a noticeable change to the engine sound, speeding up a bit and smoothing out. Start where the hoses come off the carb, throttle body, and/or intake manifold with this one, and if you find one that has an effect, you can move outward from there. --- avast! Antivirus: Outbound message clean. Virus Database (VPS): 0621-2, 05/23/2006 Tested on: 5/23/2006 6:37:32 PM avast! - copyright (c) 1988-2006 ALWIL Software. http://www.avast.com |
Re: Erratic Idle
Michael Pardee wrote:
> "Hootie" <hootie@hootie.com> wrote in message > news:nilcg.181249$P01.80454@pd7tw3no... > >>Anyone know what the best way is to find out where the vacuum leak is? >> > > Since most vacuum leaks come from cracks in the rubber vacuum hose where it > attaches to nipples in various places (okay, guys, wipe those weird images > out of your minds!) you can take any of the common approaches: > *buy a bunch of vacuum hose in all the sizes you see under the hood and > spend an hour or so replacing them all. The cost is reasonable and the > benefits are lasting. > *feel near the end of each hose for cracks and replace or trim the cracked > end from the bad one(s). Repeat next time there is a vacuum leak. > *if you can hear a whistle, try to isolate it. It isn't easy, but combined > with the change in pitch if you get your finger on a crack it may pan out. > Repeat next time.... > *buy a vacuum pump/guage combo - about $30 US IIRC - and see which hoses > that come off the intake manifold hold vacuum. It is also possible to do it > with the suck to draw a vacuum and place your tongue over the end to see if > it holds, but that is really the po' boy's method and can get you an odd > reputation. Repeat next time.... I had a leaky vacuum-advance diaphragm on my Accord's distributor that I didn't know about because it wasn't audible like a leaky hose tends to be.... I found it by pinching off the vacuum hoses (gently, with non-serrated pliers) one at a time until pinching one caused a noticeable change to the engine sound, speeding up a bit and smoothing out. Start where the hoses come off the carb, throttle body, and/or intake manifold with this one, and if you find one that has an effect, you can move outward from there. --- avast! Antivirus: Outbound message clean. Virus Database (VPS): 0621-2, 05/23/2006 Tested on: 5/23/2006 6:37:32 PM avast! - copyright (c) 1988-2006 ALWIL Software. http://www.avast.com |
Re: Erratic Idle
Michael Pardee wrote:
> "Hootie" <hootie@hootie.com> wrote in message > news:nilcg.181249$P01.80454@pd7tw3no... > >>Anyone know what the best way is to find out where the vacuum leak is? >> > > Since most vacuum leaks come from cracks in the rubber vacuum hose where it > attaches to nipples in various places (okay, guys, wipe those weird images > out of your minds!) you can take any of the common approaches: > *buy a bunch of vacuum hose in all the sizes you see under the hood and > spend an hour or so replacing them all. The cost is reasonable and the > benefits are lasting. > *feel near the end of each hose for cracks and replace or trim the cracked > end from the bad one(s). Repeat next time there is a vacuum leak. > *if you can hear a whistle, try to isolate it. It isn't easy, but combined > with the change in pitch if you get your finger on a crack it may pan out. > Repeat next time.... > *buy a vacuum pump/guage combo - about $30 US IIRC - and see which hoses > that come off the intake manifold hold vacuum. It is also possible to do it > with the suck to draw a vacuum and place your tongue over the end to see if > it holds, but that is really the po' boy's method and can get you an odd > reputation. Repeat next time.... I had a leaky vacuum-advance diaphragm on my Accord's distributor that I didn't know about because it wasn't audible like a leaky hose tends to be.... I found it by pinching off the vacuum hoses (gently, with non-serrated pliers) one at a time until pinching one caused a noticeable change to the engine sound, speeding up a bit and smoothing out. Start where the hoses come off the carb, throttle body, and/or intake manifold with this one, and if you find one that has an effect, you can move outward from there. --- avast! Antivirus: Outbound message clean. Virus Database (VPS): 0621-2, 05/23/2006 Tested on: 5/23/2006 6:37:32 PM avast! - copyright (c) 1988-2006 ALWIL Software. http://www.avast.com |
Re: Erratic Idle
In article <xNOcg.185510$WI1.13169@pd7tw2no>, Matt Ion
<soundy@moltenimage.com> wrote: Michael Pardee wrote: > "Hootie" <hootie@hootie.com> wrote in message > news:nilcg.181249$P01.80454@pd7tw3no... > >>Anyone know what the best way is to find out where the vacuum leak is? >> > > Since most vacuum leaks come from cracks in the rubber vacuum hose where it > attaches to nipples in various places (okay, guys, wipe those weird images > out of your minds!) you can take any of the common approaches: > *buy a bunch of vacuum hose in all the sizes you see under the hood and > spend an hour or so replacing them all. The cost is reasonable and the > benefits are lasting. > *feel near the end of each hose for cracks and replace or trim the cracked > end from the bad one(s). Repeat next time there is a vacuum leak. > *if you can hear a whistle, try to isolate it. It isn't easy, but combined > with the change in pitch if you get your finger on a crack it may pan out. > Repeat next time.... > *buy a vacuum pump/guage combo - about $30 US IIRC - and see which hoses > that come off the intake manifold hold vacuum. It is also possible to do it > with the suck to draw a vacuum and place your tongue over the end to see if > it holds, but that is really the po' boy's method and can get you an odd > reputation. Repeat next time.... I had a leaky vacuum-advance diaphragm on my Accord's distributor that I didn't know about because it wasn't audible like a leaky hose tends to be.... I found it by pinching off the vacuum hoses (gently, with non-serrated pliers) one at a time until pinching one caused a noticeable change to the engine sound, speeding up a bit and smoothing out. Start where the hoses come off the carb, throttle body, and/or intake manifold with this one, and if you find one that has an effect, you can move outward from there. That's a unique method. It's far superior to the method that I learned. We learned to remove each vacuum line and pinching off one end while we blowed into it as hard as we could. They now have a device called a "vacuum/pressure tester" that makes it easier. However, you method would work in some cases. Jason |
Re: Erratic Idle
In article <xNOcg.185510$WI1.13169@pd7tw2no>, Matt Ion
<soundy@moltenimage.com> wrote: Michael Pardee wrote: > "Hootie" <hootie@hootie.com> wrote in message > news:nilcg.181249$P01.80454@pd7tw3no... > >>Anyone know what the best way is to find out where the vacuum leak is? >> > > Since most vacuum leaks come from cracks in the rubber vacuum hose where it > attaches to nipples in various places (okay, guys, wipe those weird images > out of your minds!) you can take any of the common approaches: > *buy a bunch of vacuum hose in all the sizes you see under the hood and > spend an hour or so replacing them all. The cost is reasonable and the > benefits are lasting. > *feel near the end of each hose for cracks and replace or trim the cracked > end from the bad one(s). Repeat next time there is a vacuum leak. > *if you can hear a whistle, try to isolate it. It isn't easy, but combined > with the change in pitch if you get your finger on a crack it may pan out. > Repeat next time.... > *buy a vacuum pump/guage combo - about $30 US IIRC - and see which hoses > that come off the intake manifold hold vacuum. It is also possible to do it > with the suck to draw a vacuum and place your tongue over the end to see if > it holds, but that is really the po' boy's method and can get you an odd > reputation. Repeat next time.... I had a leaky vacuum-advance diaphragm on my Accord's distributor that I didn't know about because it wasn't audible like a leaky hose tends to be.... I found it by pinching off the vacuum hoses (gently, with non-serrated pliers) one at a time until pinching one caused a noticeable change to the engine sound, speeding up a bit and smoothing out. Start where the hoses come off the carb, throttle body, and/or intake manifold with this one, and if you find one that has an effect, you can move outward from there. That's a unique method. It's far superior to the method that I learned. We learned to remove each vacuum line and pinching off one end while we blowed into it as hard as we could. They now have a device called a "vacuum/pressure tester" that makes it easier. However, you method would work in some cases. Jason |
Re: Erratic Idle
In article <xNOcg.185510$WI1.13169@pd7tw2no>, Matt Ion
<soundy@moltenimage.com> wrote: Michael Pardee wrote: > "Hootie" <hootie@hootie.com> wrote in message > news:nilcg.181249$P01.80454@pd7tw3no... > >>Anyone know what the best way is to find out where the vacuum leak is? >> > > Since most vacuum leaks come from cracks in the rubber vacuum hose where it > attaches to nipples in various places (okay, guys, wipe those weird images > out of your minds!) you can take any of the common approaches: > *buy a bunch of vacuum hose in all the sizes you see under the hood and > spend an hour or so replacing them all. The cost is reasonable and the > benefits are lasting. > *feel near the end of each hose for cracks and replace or trim the cracked > end from the bad one(s). Repeat next time there is a vacuum leak. > *if you can hear a whistle, try to isolate it. It isn't easy, but combined > with the change in pitch if you get your finger on a crack it may pan out. > Repeat next time.... > *buy a vacuum pump/guage combo - about $30 US IIRC - and see which hoses > that come off the intake manifold hold vacuum. It is also possible to do it > with the suck to draw a vacuum and place your tongue over the end to see if > it holds, but that is really the po' boy's method and can get you an odd > reputation. Repeat next time.... I had a leaky vacuum-advance diaphragm on my Accord's distributor that I didn't know about because it wasn't audible like a leaky hose tends to be.... I found it by pinching off the vacuum hoses (gently, with non-serrated pliers) one at a time until pinching one caused a noticeable change to the engine sound, speeding up a bit and smoothing out. Start where the hoses come off the carb, throttle body, and/or intake manifold with this one, and if you find one that has an effect, you can move outward from there. That's a unique method. It's far superior to the method that I learned. We learned to remove each vacuum line and pinching off one end while we blowed into it as hard as we could. They now have a device called a "vacuum/pressure tester" that makes it easier. However, you method would work in some cases. Jason |
Re: Erratic Idle
Matt Ion wrote:
> Michael Pardee wrote: >> "Hootie" <hootie@hootie.com> wrote in message >> news:nilcg.181249$P01.80454@pd7tw3no... >> >>> Anyone know what the best way is to find out where the vacuum leak is? >>> >> >> Since most vacuum leaks come from cracks in the rubber vacuum hose >> where it attaches to nipples in various places (okay, guys, wipe those >> weird images out of your minds!) you can take any of the common >> approaches: >> *buy a bunch of vacuum hose in all the sizes you see under the hood >> and spend an hour or so replacing them all. The cost is reasonable and >> the benefits are lasting. I'm going to try this method. What size hoses do I need for a 94 Civic VX? |
Re: Erratic Idle
Matt Ion wrote:
> Michael Pardee wrote: >> "Hootie" <hootie@hootie.com> wrote in message >> news:nilcg.181249$P01.80454@pd7tw3no... >> >>> Anyone know what the best way is to find out where the vacuum leak is? >>> >> >> Since most vacuum leaks come from cracks in the rubber vacuum hose >> where it attaches to nipples in various places (okay, guys, wipe those >> weird images out of your minds!) you can take any of the common >> approaches: >> *buy a bunch of vacuum hose in all the sizes you see under the hood >> and spend an hour or so replacing them all. The cost is reasonable and >> the benefits are lasting. I'm going to try this method. What size hoses do I need for a 94 Civic VX? |
Re: Erratic Idle
Matt Ion wrote:
> Michael Pardee wrote: >> "Hootie" <hootie@hootie.com> wrote in message >> news:nilcg.181249$P01.80454@pd7tw3no... >> >>> Anyone know what the best way is to find out where the vacuum leak is? >>> >> >> Since most vacuum leaks come from cracks in the rubber vacuum hose >> where it attaches to nipples in various places (okay, guys, wipe those >> weird images out of your minds!) you can take any of the common >> approaches: >> *buy a bunch of vacuum hose in all the sizes you see under the hood >> and spend an hour or so replacing them all. The cost is reasonable and >> the benefits are lasting. I'm going to try this method. What size hoses do I need for a 94 Civic VX? |
Re: Erratic Idle
"Mike Doyle" <sigifrith@frontiernet.net> wrote in message
news:2N8dg.1925$oa1.625@news02.roc.ny... > Matt Ion wrote: >> Michael Pardee wrote: >>> "Hootie" <hootie@hootie.com> wrote in message >>> news:nilcg.181249$P01.80454@pd7tw3no... >>> >>>> Anyone know what the best way is to find out where the vacuum leak is? >>>> >>> >>> Since most vacuum leaks come from cracks in the rubber vacuum hose where >>> it attaches to nipples in various places (okay, guys, wipe those weird >>> images out of your minds!) you can take any of the common approaches: >>> *buy a bunch of vacuum hose in all the sizes you see under the hood and >>> spend an hour or so replacing them all. The cost is reasonable and the >>> benefits are lasting. > > I'm going to try this method. What size hoses do I need for a 94 Civic > VX? We could give you a lot of inaccurate answers and maybe an accurate one ;-) Just do a quick survey under the hood, even take snips of the ends of each different sizes you see (should only be two or three sizes) and estimate the total length of each size. The hose is sold by the foot, so you'll want to do the "Price is Right" thing: buy at least enough, but try to go over by as little as you feel confident about. Mike |
Re: Erratic Idle
"Mike Doyle" <sigifrith@frontiernet.net> wrote in message
news:2N8dg.1925$oa1.625@news02.roc.ny... > Matt Ion wrote: >> Michael Pardee wrote: >>> "Hootie" <hootie@hootie.com> wrote in message >>> news:nilcg.181249$P01.80454@pd7tw3no... >>> >>>> Anyone know what the best way is to find out where the vacuum leak is? >>>> >>> >>> Since most vacuum leaks come from cracks in the rubber vacuum hose where >>> it attaches to nipples in various places (okay, guys, wipe those weird >>> images out of your minds!) you can take any of the common approaches: >>> *buy a bunch of vacuum hose in all the sizes you see under the hood and >>> spend an hour or so replacing them all. The cost is reasonable and the >>> benefits are lasting. > > I'm going to try this method. What size hoses do I need for a 94 Civic > VX? We could give you a lot of inaccurate answers and maybe an accurate one ;-) Just do a quick survey under the hood, even take snips of the ends of each different sizes you see (should only be two or three sizes) and estimate the total length of each size. The hose is sold by the foot, so you'll want to do the "Price is Right" thing: buy at least enough, but try to go over by as little as you feel confident about. Mike |
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