what is the ticking noise in my 2000 3.8

esonu · April 21st, 2009, 03:17 AM

it makes a ticking noise everytime i hit the gas mostly when its half way around 2-3000rpm
any ideas
i just got my ls n car so
im tryin to fix it up
so any mods please let me now
currently got viper strips
20" devinos
bbk intake
and underglows

N29468 · April 21st, 2009, 03:31 AM

exhaust leak?

ByPopularDemand · April 21st, 2009, 01:27 PM

Yup...cracked exhaust manifold. Most likely on the passenger side.

JASonic · April 21st, 2009, 01:35 PM

Im guessing....valve train noise, if its not exhaust.

JASonic · April 21st, 2009, 01:37 PM

Originally Posted by ByPopularDemand

Yup...cracked exhaust manifold. Most likely on the passenger side.

and if it is...prolly from a dripping AC. If thats what it is and you decide to fix it, make sure they (or you) weld a deflector in place so it doesnt happen again.

Phinney · April 21st, 2009, 05:15 PM

I also have a ticking noise, in my 2004 vert. It happens constantly, but it loudest when i start the car. I had orginally thought it was bad valve lifters, but I checked and they all seem to work fine.

Right about when the car started ticking, I sprayed my engine bay down with a hose while it was still hot. Could this have cracked the exhaust manifold, and if so, would it cause a ticking sound?

goren813 · April 21st, 2009, 05:16 PM

+1 On that exhaust leak, pass. side right before first cat closest to engine. If not a deflection plate as JA said, you can fit a hose into the A/C port where it drips and run it down past the exhaust and everything... $30ish to reweld that up at a shop if you take the exhaust off and bring it to them.

02MustangV6e9 · April 21st, 2009, 05:20 PM

Originally Posted by Phinney

I also have a ticking noise, in my 2004 vert. It happens constantly, but it loudest when i start the car. I had orginally thought it was bad valve lifters, but I checked and they all seem to work fine.

Right about when the car started ticking, I sprayed my engine bay down with a hose while it was still hot. Could this have cracked the exhaust manifold, and if so, would it cause a ticking sound?

My car does that too. 2002 coupe. But it was like that when I bought the car, the guy said it had been doing it since about 30,000 miles, but mine stops a while after starting. When we took it to our friend of the family whi had been a mechanic with the Army for 20+ years he pointed to 2 valves said that it was them like spitting back and forth at eachother, and it was the engines way of regulating itself with the computer? I've never had any issues because of it.

JASonic · April 21st, 2009, 05:21 PM

Originally Posted by Phinney

I also have a ticking noise, in my 2004 vert. It happens constantly, but it loudest when i start the car. I had orginally thought it was bad valve lifters, but I checked and they all seem to work fine.

Right about when the car started ticking, I sprayed my engine bay down with a hose while it was still hot. Could this have cracked the exhaust manifold, and if so, would it cause a ticking sound?

Yep...if it was hot when the water hit it.

Phinney · April 21st, 2009, 06:52 PM

I cant see any visible cracks, anyone know of a way to find out for sure if its my exhaust without tearing too much apart?

04stang123456789 · April 21st, 2009, 07:16 PM

It does not have to be cracked. I have dual exhaust with headers, and I had this same ticking problem. I did not have a crack anywhere, instead it was just a couple slightly loose bolts that connect the headers to the pipe. It happened everytime the car would change seasons because of the heating and cooling expanding and contracting the metal. I just tightened the bolts and put some high temp thread lock on them and I was fine.

Zatrekaz · April 21st, 2009, 09:10 PM

Originally Posted by esonu

currently got viper strips

Originally Posted by esonu

20" devinos

Originally Posted by esonu

and underglows

Sorry... i will go away now

HMUSN · April 21st, 2009, 09:12 PM

It's the underglow kit. Your mustang is trying to shake it off.

BostonPerformance · April 21st, 2009, 09:22 PM

lol. shake that rice off!

stephen · April 21st, 2009, 09:38 PM

Originally Posted by Phinney

I cant see any visible cracks, anyone know of a way to find out for sure if its my exhaust without tearing too much apart?

An exhaust shop can use a stethoscope to locate the leak. Commonly it's at the flange at the bottom of the manifold where it connects to the pipe. If the manifold is off the car you can also look for carbon at the joints. The stock manifolds were pressed together with only tack welds. If you have an exhaust shop weld all the way around it should fix it. Also as someone else mentioned put anti seize on the studs and on the flared pipe end, get the exhaust aligned, and torque the nuts to specs.

9986paulk · April 21st, 2009, 09:44 PM

I have he ticking noise too. It only happens sometimes when I accelerate from a stop at a little less than half throttle. I'm not too concerned about it tho, because it doesn't seem to bother anything and it doesn't have any problems at full throttle, or any other time really.

00BlueMustang · April 21st, 2009, 10:01 PM

Could just be a bomb?

02MustangV6e9 · April 21st, 2009, 10:50 PM

Originally Posted by 00BlueMustang

Could just be a bomb?

reps.

rfcsoulja · April 22nd, 2009, 02:37 AM

Originally Posted by 02MustangV6e9

My car does that too. 2002 coupe. But it was like that when I bought the car, the guy said it had been doing it since about 30,000 miles, but mine stops a while after starting. When we took it to our friend of the family whi had been a mechanic with the Army for 20+ years he pointed to 2 valves said that it was them like spitting back and forth at eachother, and it was the engines way of regulating itself with the computer? I've never had any issues because of it.

It stops after the car warms because the metal expands which closes it off. It's more than likely cracked headers man. I've never heard the above explaination before.

Originally Posted by stephen

An exhaust shop can use a stethoscope to locate the leak. Commonly it's at the flange at the bottom of the manifold where it connects to the pipe. If the manifold is off the car you can also look for carbon at the joints. The stock manifolds were pressed together with only tack welds. If you have an exhaust shop weld all the way around it should fix it. Also as someone else mentioned put anti seize on the studs and on the flared pipe end, get the exhaust aligned, and torque the nuts to specs.

Getting a torque wrench in there is fun.

ByPopularDemand · April 22nd, 2009, 04:41 AM

I found my cracked exhaust manifold during an oil change...its not hard to spot if you are looking for it

April 21st, 2009, 03:17 AM	#1
esonu Regular 2003 mustang GT Join Date: Apr 2009 Location: Sacramento Posts: 400 iTrader: 1 reviews	what is the ticking noise in my 2000 3.8 it makes a ticking noise everytime i hit the gas mostly when its half way around 2-3000rpm any ideas i just got my ls n car so im tryin to fix it up so any mods please let me now currently got viper strips 20" devinos bbk intake and underglows

April 21st, 2009, 01:27 PM	#3
ByPopularDemand Hardcore Enthusiast 2000 V6 Join Date: Jan 2007 Location: Albuquerque Posts: 2,670 iTrader: 0 reviews	Yup...cracked exhaust manifold. Most likely on the passenger side. __________________ 2000 V6 vert Mac LT headers, Mac O/R H-pipe, Mac CAI, ASP 25% underdrive pulley(r.i.p), SCT tune, 8.8 rear and 4.10 gears.

April 21st, 2009, 05:15 PM	#6
Phinney Regular 2004 Mustang Convertible Join Date: Apr 2009 Location: Fort Lauderdale, FL Posts: 156 iTrader: 0 reviews	I also have a ticking noise, in my 2004 vert. It happens constantly, but it loudest when i start the car. I had orginally thought it was bad valve lifters, but I checked and they all seem to work fine. Right about when the car started ticking, I sprayed my engine bay down with a hose while it was still hot. Could this have cracked the exhaust manifold, and if so, would it cause a ticking sound? __________________ 2004 Convertible - SOLD 1999 Coupe - SOLD 1966 Coupe - SOLD 1987 TurboCoupe - Cut in prices! 1970 Coupe - Soon to be 140 Turbo! 1984 El Camino Conquista - moving truck 2011 Convertible V6 Base 2012 Coupe GT Premium 5.0 Baby!

April 21st, 2009, 05:16 PM	#7
goren813 MM's Official Lucifer '00 3.8L Join Date: Apr 2008 Location: Odessa, FL Posts: 3,420 iTrader: 0 reviews	+1 On that exhaust leak, pass. side right before first cat closest to engine. If not a deflection plate as JA said, you can fit a hose into the A/C port where it drips and run it down past the exhaust and everything... $30ish to reweld that up at a shop if you take the exhaust off and bring it to them. __________________ "Fast she goes...in the city of Overdose"

April 21st, 2009, 06:52 PM	#10
Phinney Regular 2004 Mustang Convertible Join Date: Apr 2009 Location: Fort Lauderdale, FL Posts: 156 iTrader: 0 reviews	I cant see any visible cracks, anyone know of a way to find out for sure if its my exhaust without tearing too much apart? __________________ 2004 Convertible - SOLD 1999 Coupe - SOLD 1966 Coupe - SOLD 1987 TurboCoupe - Cut in prices! 1970 Coupe - Soon to be 140 Turbo! 1984 El Camino Conquista - moving truck 2011 Convertible V6 Base 2012 Coupe GT Premium 5.0 Baby!

April 21st, 2009, 01:35 PM	#4
JASonic The George Forman of Keepers Join Date: Feb 2007 Posts: 2,406 iTrader: 20 reviews	Im guessing....valve train noise, if its not exhaust.

April 21st, 2009, 07:16 PM	#11
04stang123456789 Regular 2004 V6 Coupe Join Date: Mar 2008 Location: Long Island Posts: 352 iTrader: 0 reviews	It does not have to be cracked. I have dual exhaust with headers, and I had this same ticking problem. I did not have a crack anywhere, instead it was just a couple slightly loose bolts that connect the headers to the pipe. It happened everytime the car would change seasons because of the heating and cooling expanding and contracting the metal. I just tightened the bolts and put some high temp thread lock on them and I was fine.

April 21st, 2009, 09:12 PM	#13
HMUSN Doc 1986 SVO Join Date: Nov 2006 Posts: 36,836 iTrader: 9 reviews	It's the underglow kit. Your mustang is trying to shake it off. __________________

April 21st, 2009, 09:22 PM	#14
BostonPerformance Enthusiast 99 Cherokee sport/87 5.0 not tested Join Date: Jun 2008 Location: san antonio, tx Posts: 989 iTrader: 0 reviews	lol. shake that rice off! __________________ [CENTER]"Not the victory but the action; Not the goal but the game; In the deed the glory," -Hartley Burr Alexander

April 21st, 2009, 09:44 PM	#16
9986paulk Hardcore Enthusiast 1999 Mustang V6 Join Date: Dec 2008 Location: Youngstown Posts: 1,228 iTrader: 3 reviews	I have he ticking noise too. It only happens sometimes when I accelerate from a stop at a little less than half throttle. I'm not too concerned about it tho, because it doesn't seem to bother anything and it doesn't have any problems at full throttle, or any other time really.

April 21st, 2009, 10:01 PM	#17
00BlueMustang Hardcore Enthusiast 2000 Mustang Join Date: Jan 2009 Location: Raleigh, North Carolina Posts: 1,726 iTrader: 0 reviews	Could just be a bomb? __________________ *Detailing Crew Member* North Carolina Modded Mustangs #5

April 22nd, 2009, 04:41 AM	#20
ByPopularDemand Hardcore Enthusiast 2000 V6 Join Date: Jan 2007 Location: Albuquerque Posts: 2,670 iTrader: 0 reviews	I found my cracked exhaust manifold during an oil change...its not hard to spot if you are looking for it __________________ 2000 V6 vert Mac LT headers, Mac O/R H-pipe, Mac CAI, ASP 25% underdrive pulley(r.i.p), SCT tune, 8.8 rear and 4.10 gears.

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