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#1 |
Registered User
Join Date: Sep 2007
Location: Marysville, CA
Posts: 23
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Exhaust leak?
When my engine is running, there is a kind of popping/clicking sound that gets more rapid as the rpm's go up, exhaust leak? Valves out of adjustment?
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#2 |
Registered User
Join Date: Dec 2003
Location: here
Posts: 5,789
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Re: Exhaust leak?
Could be either one. Do you have an automotive stethoscope?
http://www2.northerntool.com/product-1/385487.htm |
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#3 |
Registered User
Join Date: Sep 2007
Location: Marysville, CA
Posts: 23
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Re: Exhaust leak?
Nah, but I could get one, what would I be looking for when I get it?
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#4 | |
Registered User
Join Date: Oct 2006
Location: Cheney, KS
Posts: 669
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Re: Exhaust leak?
Lifters will create a metallic clicking noise. Header leak will be a uniform popping noise that always sounds trhe same.
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#5 |
yes, i do
Join Date: Jun 2007
Location: Spokane, wa
Posts: 2,734
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Re: Exhaust leak?
for exhaust leaks, i would use a piece of vac hose and listen around your manifolds. a stethoscope can be picked up at your local parts store real cheaply. valves when driving would sound more like a click and slight knocks where exhaust sounds like popping sounds. you also may be able to feel hot air. i would check your exhaust doughnuts
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ERROR 404....... SNAPPY COMEBACK NOT FOUND ![]() _______________________________________________________________________________________________ -60 Chevy C10, dead 350/good th350 combo, sitting on a 76 c10 blazer frame, built from 11 different vehicles "the abomination" -07 gmt900 silverado 1500 lt xcab z71, granite blue -81 suzuki gs650g "shelah"- current project -81 kz1000m1 csr "sarge" -next project (just beautification) -07 kawasaki vulcan classic vn900 |
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#6 |
Senior Member
Join Date: Mar 2007
Location: VANCOUVER ISLAND, B.C., Canada
Posts: 1,602
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Re: Exhaust leak?
Chunk of hose works every time and you probably have a 5/8 chunk about 3 ft long collecting dust. If not buy a chunk as you will get two uses from it as you will need some for a PCV valve, pwr. brake vac. hose line etc. one day. Header leaks sound like a steady ticking sound different then valves. If your not sure go by a garage [ma & pa type] as any mechanic can tell you if it's a header leak or valve train noise that you are hearing.
If it's a header leak I use Permatec Ultre Copper .... cheaper then gaskets and works great. esll. ![]()
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Tomorrow is for doing today's stuff. ![]() ************************************* This truck has just the right amount of energy for me! ![]() Author: Warren Lake .... (member) Last edited by EAST SIDE LOW LIFE; 12-01-2007 at 01:55 PM. |
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#7 |
Registered User
Join Date: Sep 2007
Location: Marysville, CA
Posts: 23
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Re: Exhaust leak?
thanks alot guys
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#8 |
Registered User
Join Date: Jun 2007
Location: Smyrna, GA
Posts: 709
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Re: Exhaust leak?
Check your manifolds. I just went thru a set of crummy gaskets on my headers and had the same sound. If I can give my $.02, spend a few extra bucks on good gaskets...you'll be happier in the long run.
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Rottenwood Garage 1970...71...72 C1500 aka Orange aka Sideshow Bob 540 BB Straub Roller Cam, AFR Magnums, XP 950, TKO 600 2 Tons of Fun |
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#9 |
Registered User
![]() Join Date: Aug 2005
Location: Philly
Posts: 1,140
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Re: Exhaust leak?
Depending on the material, you can also double up on the gaskets as well. But I would agree with OrangeCrush, go with good gaskets and fasteners.
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#10 |
Registered User
Join Date: Oct 2007
Location: Sykesville MD
Posts: 357
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Re: Exhaust leak?
ive got an exhaust leak in my chevelle right now, its killing me, a leak will increase with rpms, but will go away or decrease when your foot is off the pedal. look for the notorious black soot around your header/manifold gaskets or collectors/donuts. the PO used the cheap paper gaskets and they always blow sooner or later, i want to step up to the copper gaskets with the locking fasteners soon, saves headaches like these down the road. good luck
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'55 3100 2nd series short-bed stepside '70 Corvette coupe stingray '71 Chevelle 2-dr coupe SS clone '71 C10 long-bed fleetside '83 long-haired brunette wife |
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