Mustang with a tapping vavle! - Pirate4x4.Com : 4x4 and Off-Road Forum

94toyota4x4 · 04-25-2007, 11:01 PM

Ok, I have this 97 ford mustang cobra, It has a bad valve tap, and I was told that all it needs is adjusting, what I dont know is what to excatly adjsut, Im guessing valve height, and what to adjust it to, its getting pretty bad so if you could help me out that would be great, ford 282ci or 4.6L 32v engine.

brandon916 · 04-25-2007, 11:15 PM

run it low on oil? i dont know if the valves are ajustable.

f250rollinon37s · 04-26-2007, 12:27 PM

valves are not adj on the 4.6 - the 16 / 32 valve - may be a dead lifter -

94toyota4x4 · 04-26-2007, 06:11 PM

well I know I have to get under the valve cover to see whats up, how can I tell if the lifter is dead, and theres nothing to adjsut the valves at all, not even anything dealing with valves, and oil level is full, o and the car lost quite a bit of performance when this started to happen.

brandon916 · 04-26-2007, 10:14 PM

check the plugs, i had a 03 gt that was pro charged and the same symptoms happened, it has a slight miss and was tapping. i pulled the plugs and they were smashed. the piston came apart. maybe the case if a miss is present

94toyota4x4 · 04-26-2007, 11:09 PM

I already checked it plugs are fine, Im sure its a valve problem.

Fordman500 · 04-26-2007, 11:50 PM

I know 4.6s are notorious for that sound. My 99 cobra makes the same noise but not too bad. I dont know the fix, but I do have a great idea.. Why not try a mustang forum.

94toyota4x4 · 04-27-2007, 04:05 PM

thing is I'm really not a mustang fan just trying to help my mom out with her car, the sound is real bad nothing normal at all, Ill try some mustang forums. Thanks

04-25-2007, 11:01 PM	#1 (permalink)
94toyota4x4 Registered User Join Date: Oct 2006 Member # 81169 Location: Victorville CA Posts: 172	Mustang with a tapping vavle! Ok, I have this 97 ford mustang cobra, It has a bad valve tap, and I was told that all it needs is adjusting, what I dont know is what to excatly adjsut, Im guessing valve height, and what to adjust it to, its getting pretty bad so if you could help me out that would be great, ford 282ci or 4.6L 32v engine.

04-26-2007, 12:27 PM	#3 (permalink)
f250rollinon37s MASTER TECH Join Date: Oct 2005 Member # 54844 Location: Northern cali Posts: 3,435	valves are not adj on the 4.6 - the 16 / 32 valve - may be a dead lifter - __________________ BSW Racing, Calrocs Super mods 12 & ? Driver: Aaron Whitehead - Driver: Joe Hutchins Spotter: Adam Kovarik - Spotter: Dustin Knight Crew Cheif: me fuckers build up of the truggy /forum/ford/544813-update-pics.html

04-26-2007, 11:50 PM	#7 (permalink)
Fordman500 Rock God Join Date: Oct 2005 Member # 56456 Location: San Jose, CA Posts: 1,581	I know 4.6s are notorious for that sound. My 99 cobra makes the same noise but not too bad. I dont know the fix, but I do have a great idea.. Why not try a mustang forum. __________________ 74 f100, 4bt, 3link hp 60/14 bolt, welded f/r np435/205

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04-25-2007, 11:15 PM	#2 (permalink)
brandon916 Registered User Join Date: Mar 2004 Member # 28438 Location: roseville,ca Posts: 289	run it low on oil? i dont know if the valves are ajustable.

04-26-2007, 06:11 PM	#4 (permalink)
94toyota4x4 Registered User Join Date: Oct 2006 Member # 81169 Location: Victorville CA Posts: 172	well I know I have to get under the valve cover to see whats up, how can I tell if the lifter is dead, and theres nothing to adjsut the valves at all, not even anything dealing with valves, and oil level is full, o and the car lost quite a bit of performance when this started to happen.

04-26-2007, 10:14 PM	#5 (permalink)
brandon916 Registered User Join Date: Mar 2004 Member # 28438 Location: roseville,ca Posts: 289	check the plugs, i had a 03 gt that was pro charged and the same symptoms happened, it has a slight miss and was tapping. i pulled the plugs and they were smashed. the piston came apart. maybe the case if a miss is present

04-26-2007, 11:09 PM	#6 (permalink)
94toyota4x4 Registered User Join Date: Oct 2006 Member # 81169 Location: Victorville CA Posts: 172	I already checked it plugs are fine, Im sure its a valve problem.

04-27-2007, 04:05 PM	#8 (permalink)
94toyota4x4 Registered User Join Date: Oct 2006 Member # 81169 Location: Victorville CA Posts: 172	thing is I'm really not a mustang fan just trying to help my mom out with her car, the sound is real bad nothing normal at all, Ill try some mustang forums. Thanks