Any Ideas About Clicking Noise From Engine?

my_2000stang · November 25th, 2007, 04:28 PM

Hey there guys, I have a clicking noise coming from my 2000 mustang with the 3.8L and i am wondering where it is coming from. The clicking noise is real loud and present when in gear and under acceleration only. I have ruled a bunch of things and ideas out: 1) It is not the lifters since the noise is only present when in gear and under acceleration. 2) Its not the EGR valve, i replaced that. 3) Its not the water pump, A/C, alternator, belt tight, pulleys and it doesn't have an air pump. The noise seems to come from the back of the engine. If you have any ideas or suggestions, that would be great. Thanks.

Avaric3 · November 25th, 2007, 04:30 PM

exhaust leak?

tjames · November 25th, 2007, 04:44 PM

Originally Posted by Avaric3

exhaust leak?

+1 maybe where the haders bolt up to the engine the gasket is warn?

my_2000stang · November 25th, 2007, 05:36 PM

no, i put on new headers and the noise was still there. Pretty sure its not that.

dgt_mustang · November 25th, 2007, 06:27 PM

get a stethoscope from autozone and put it on or near your injectors, i have a ticking that i thought was coming from the back of my engine but turned out one of my injectors is ticking awefully loud.

my_2000stang · November 25th, 2007, 06:52 PM

get a stethoscope from autozone and put it on or near your injectors, i have a ticking that i thought was coming from the back of my engine but turned out one of my injectors is ticking awefully loud.

Is that only when the car was in gear and under acceleration? Or was the noise always there?

TUGGER · November 25th, 2007, 07:50 PM

Detonation?

TheUNZippee! · November 25th, 2007, 09:12 PM

This could be an injector as DGT said, detonation, as tugger said, or worse case scenario, a rod or main bearing....but that would be pretty loud. If you do the stethoscope thing, which is a great idea, you can also try listening to the pan or the cam covers.

Breakout · November 25th, 2007, 09:17 PM

Maybe having a bit of valve lash?

my_2000stang · November 25th, 2007, 09:31 PM

yea, i am going to have to see if its the injectors. havent tested that out yet.

my_2000stang · November 25th, 2007, 09:38 PM

And i used some Octane booster and did premium fuel, but that didnt do anything. Still

scubasteve041186 · November 25th, 2007, 10:32 PM

change the oil. i know mine did it when it was low on oil. cause i doubt you spun a bearing

my_2000stang · November 26th, 2007, 08:00 AM

The oil is real fresh and fulll, so cant be that.

Kenzo · November 26th, 2007, 11:38 AM

read my thread

HMUSN · November 26th, 2007, 11:42 AM

Originally Posted by Kenzo

read my thread

http://www.moddedmustangs.com/forums...again-but.html

stephen · November 26th, 2007, 03:22 PM

Originally Posted by TUGGER

Detonation?

+1 on that.

The V6 engine tends to develop carbon deposits in the rear cylinders due to the PCV design. This causes preignition on acceleration. If this is the problem you might benefit from some kind of decarbonizer treatment. I believe some people say that Sea Foam added through the intake will help.

my_2000stang · November 30th, 2007, 10:20 PM

Could it be the lifters? because i found the source of the sound is coming from inside the crankcase. Opened up the oil cap and the sound was coming from right inside there.

Onemanzu · December 1st, 2007, 01:21 AM

try putting some seafoam in the oil/crank case ... sometimes seafoaming oil can clean up sticky lifters

TheUNZippee! · December 1st, 2007, 01:28 AM

Is this car a stick? Cuz I'm wondering if it's a throw out bearing noise.

Onemanzu · December 1st, 2007, 01:33 AM

isn't that more of a screech and only when the clutch is engaged?

November 25th, 2007, 04:28 PM	#1
my_2000stang Regular 2003 Mustang GT Join Date: Aug 2007 Location: Wisconsin Posts: 77 iTrader: 0 reviews	Any Ideas About Clicking Noise From Engine? Hey there guys, I have a clicking noise coming from my 2000 mustang with the 3.8L and i am wondering where it is coming from. The clicking noise is real loud and present when in gear and under acceleration only. I have ruled a bunch of things and ideas out: 1) It is not the lifters since the noise is only present when in gear and under acceleration. 2) Its not the EGR valve, i replaced that. 3) Its not the water pump, A/C, alternator, belt tight, pulleys and it doesn't have an air pump. The noise seems to come from the back of the engine. If you have any ideas or suggestions, that would be great. Thanks. __________________ 4.6L Bad Ass V8

November 25th, 2007, 04:30 PM	#2
Avaric3 Hardcore Enthusiast 2002 Ford Focus slow as fuck Join Date: Apr 2007 Location: M-Pan, NJ Posts: 2,556 iTrader: 4 reviews	exhaust leak? __________________ 99 V6 Mustang-sold 02 Ford Focus-sold 98 Camaro Z/28-lid, catback

November 25th, 2007, 05:36 PM	#4
my_2000stang Regular 2003 Mustang GT Join Date: Aug 2007 Location: Wisconsin Posts: 77 iTrader: 0 reviews	no, i put on new headers and the noise was still there. Pretty sure its not that. __________________ 4.6L Bad Ass V8

November 25th, 2007, 07:50 PM	#7
TUGGER Newbie 2003 SVT Cobra Vert Join Date: Jun 2007 Location: OR Posts: 36 iTrader: 0 reviews	Detonation? __________________ 2003 SVT Cobra Vert Magnaflow Catback, K&N CAI, 18" Replica Chrome Bullitts, Diablosport 91 Octane Performance

November 25th, 2007, 09:31 PM	#10
my_2000stang Regular 2003 Mustang GT Join Date: Aug 2007 Location: Wisconsin Posts: 77 iTrader: 0 reviews	yea, i am going to have to see if its the injectors. havent tested that out yet. __________________ 4.6L Bad Ass V8

November 25th, 2007, 09:17 PM	#9
Breakout Tree Fiddy Z 2006 Nissan 350Z Join Date: Dec 2006 Location: Central Florida Posts: 2,018 iTrader: 0 reviews	Maybe having a bit of valve lash?

November 25th, 2007, 09:38 PM	#11
my_2000stang Regular 2003 Mustang GT Join Date: Aug 2007 Location: Wisconsin Posts: 77 iTrader: 0 reviews	And i used some Octane booster and did premium fuel, but that didnt do anything. Still __________________ 4.6L Bad Ass V8

November 25th, 2007, 10:32 PM	#12
scubasteve041186 Hardcore Enthusiast 2004 mustang 40th annv. Join Date: Sep 2006 Location: kelowna,BC, Canada Posts: 1,382 iTrader: 0 reviews	change the oil. i know mine did it when it was low on oil. cause i doubt you spun a bearing

November 26th, 2007, 08:00 AM	#13
my_2000stang Regular 2003 Mustang GT Join Date: Aug 2007 Location: Wisconsin Posts: 77 iTrader: 0 reviews	The oil is real fresh and fulll, so cant be that. __________________ 4.6L Bad Ass V8

November 26th, 2007, 11:38 AM	#14
Kenzo Regular Join Date: Aug 2007 Posts: 103 iTrader: 0 reviews	read my thread __________________ Lake Forest Park 206

November 30th, 2007, 10:20 PM	#17
my_2000stang Regular 2003 Mustang GT Join Date: Aug 2007 Location: Wisconsin Posts: 77 iTrader: 0 reviews	Could it be the lifters? because i found the source of the sound is coming from inside the crankcase. Opened up the oil cap and the sound was coming from right inside there. __________________ 4.6L Bad Ass V8

December 1st, 2007, 01:21 AM	#18
Onemanzu ¡ʇsnq ɹo uʍop ǝpısdn Join Date: Oct 2006 Location: Looking for free hand jobs in poland springs nebraska... silly gooses Posts: 12,551 Blog Entries: 1 iTrader: 0 reviews	try putting some seafoam in the oil/crank case ... sometimes seafoaming oil can clean up sticky lifters __________________ My Foz

December 1st, 2007, 01:33 AM	#20
Onemanzu ¡ʇsnq ɹo uʍop ǝpısdn Join Date: Oct 2006 Location: Looking for free hand jobs in poland springs nebraska... silly gooses Posts: 12,551 Blog Entries: 1 iTrader: 0 reviews	isn't that more of a screech and only when the clutch is engaged? __________________ My Foz

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