Engine Shaking

dothedew1654 · December 11th, 2007, 04:02 PM

So today i drove for about five minutes. Then i turned it off and got out, for a minute. I came back and started my car, and the whole entire car is shaking. I've had the car for two months, and besides this the car has been running perfect. Anyone ideas on what is wrong?

nba1341 · December 11th, 2007, 04:04 PM

you have a really big camshaft

95opal · December 11th, 2007, 04:06 PM

Check the harmonic balancer and your motor mounts. First thing that comes to mind.

Speedstang302 · December 11th, 2007, 04:09 PM

could have dropped an cylinder by an bad spark plug...that causes an shake..also you will notice it a little more sluggish...along with you can hear it running different...could be that..could be a million different things

nolife · December 11th, 2007, 04:34 PM

Its hard to tell between a non firing cylinder and a bad harmonic balancer, well it was hard for me. Not a perfect solution but you could attach a timing light to each individual wire and look for the flash for a spark issue, if a plug is bad and not firing, the light should not flash because there will be no current traveling through the wire. For the harmonic balancer, look at it and make sure it is even, the rubber insulator is even and in place between the outer and inner ring, and the outer ring is not loose or cocked funny. PS.. If it is the harmonic balancer, do not run it until you replace it!

dothedew1654 · December 11th, 2007, 04:46 PM

I'm going to replace the harmonic balancer in a couple of days. I'll let you guys know what happens.

nolife · December 11th, 2007, 04:51 PM

Originally Posted by dothedew1654

I'm going to replace the harmonic balancer in a couple of days. I'll let you guys know what happens.

I hope that is it! Mine required a 15/16 6 point socket and an extremely large breaker bar.

Speedstang302 · December 11th, 2007, 05:36 PM

well with the radiator out its alot easier to remove...but an impact wrech is you're best too...

dothedew1654 · December 11th, 2007, 10:43 PM

Ok, well I just picked up the balancer tonight. But I won't be able to put it in until the weekend, I'll let you know how it goes. What parts will I need? Will I need a puller?

9cobra3 · December 11th, 2007, 10:50 PM

You can rent one form your local auto zone..........damn I sound like an advertisement.

nolife · December 11th, 2007, 11:07 PM

Or buy your own HB puller, they are about $15. A large gear puller should work. The only thing extra I used was red threadlocker on the crank bolt because the previous person used it as well. Not sure if it is required though. Some people suggest replacing the crank bolt with a new one, I didn't. That would suck if your old one broke off.

Stangzilla · December 11th, 2007, 11:14 PM

Originally Posted by 95opal

Check the harmonic balancer and your motor mounts. First thing that comes to mind.

+196317815279721 on the balancer thing and the fact that it might not be running on all cylinders.. I would start with that too..

Hey Opal I just want to make sure you understand its all in fun and you are not one of those people?... If you are now I know. If you are not then oh well!!!

White Thunder · December 12th, 2007, 12:28 AM

could be as simple as a spark plug....

Speedstang302 · December 12th, 2007, 09:57 AM

Originally Posted by Stangzilla

+196317815279721 on the fact that it might not be running on all cylinders..

Originally Posted by WT

could be as simple as a spark plug....

SAME THING I SAID

hopper · December 12th, 2007, 10:19 AM

I had a simular prob, check carefully all the clutch fan items. mine was cracked and was throwing everything off balance. Also I have had a cracked flex plate on an auto that was cracked and would throw everything out of line

just some extra thoughts for ya

dothedew1654 · December 15th, 2007, 06:36 PM

I changed the balancer and the problem was fixed. I was also able to replace it without having to move the radiator. Thanks for the help everyone!

December 11th, 2007, 04:02 PM	#1
dothedew1654 Regular 1995 Mustang GTS Join Date: Sep 2007 Location: San Diego Posts: 74 iTrader: 0 reviews	Engine Shaking So today i drove for about five minutes. Then i turned it off and got out, for a minute. I came back and started my car, and the whole entire car is shaking. I've had the car for two months, and besides this the car has been running perfect. Anyone ideas on what is wrong? __________________ 95 Mustang GTS, 5 Speed, MAC O/R H Pipe, MAC Catback, BBK CAI, Eibach Lowering Springs, Steeda Tri-Ax, Black Bullit 17x9 with 255/40/17 BFG t/a kdws.

December 11th, 2007, 04:04 PM	#2
nba1341 Banned 1965 Mustang Fastback Join Date: Apr 2007 Location: Los Angeles, Cal Posts: 24,982 Posts: 2,194 iTrader: 0 reviews	you have a really big camshaft __________________ I'm a good boy now. [COLOR=red][B]slow car club - crew member 7 of 9 [COLOR=White]Mood: Cool :cool: [/COLOR][/B] [/COLOR]

December 11th, 2007, 04:06 PM	#3
95opal Hardcore Enthusiast 95 opalfrost gt Join Date: Nov 2006 Location: Connecticut Posts: 1,516 iTrader: 0 reviews	Check the harmonic balancer and your motor mounts. First thing that comes to mind. __________________ 5.0 magazines 94-04 performance mustangs feature car! Fall 2010

December 11th, 2007, 04:09 PM	#4
Speedstang302 I Post Entirely Way Too Much 1996 Mustang GT 13.64@101mph Join Date: Apr 2007 Location: Massachusetss Posts: 5,828 iTrader: 1 reviews	could have dropped an cylinder by an bad spark plug...that causes an shake..also you will notice it a little more sluggish...along with you can hear it running different...could be that..could be a million different things __________________ 1990 GT- GT40p Heads\| Anderson N41 cam\| Crane 1.6 RR's\| Trickflow Intake\|MGW Short Throw\| Aluminum d/s\| 3.73's.....still slow....

December 11th, 2007, 04:34 PM	#5
nolife MM Fanatic 91GT, 88GT, 02GT Join Date: Dec 2006 Posts: 3,057 Blog Entries: 3 iTrader: 0 reviews	Its hard to tell between a non firing cylinder and a bad harmonic balancer, well it was hard for me. Not a perfect solution but you could attach a timing light to each individual wire and look for the flash for a spark issue, if a plug is bad and not firing, the light should not flash because there will be no current traveling through the wire. For the harmonic balancer, look at it and make sure it is even, the rubber insulator is even and in place between the outer and inner ring, and the outer ring is not loose or cocked funny. PS.. If it is the harmonic balancer, do not run it until you replace it! __________________ Last edited by nolife; December 11th, 2007 at 04:36 PM.

December 11th, 2007, 04:46 PM	#6
dothedew1654 Regular 1995 Mustang GTS Join Date: Sep 2007 Location: San Diego Posts: 74 iTrader: 0 reviews	I'm going to replace the harmonic balancer in a couple of days. I'll let you guys know what happens. __________________ 95 Mustang GTS, 5 Speed, MAC O/R H Pipe, MAC Catback, BBK CAI, Eibach Lowering Springs, Steeda Tri-Ax, Black Bullit 17x9 with 255/40/17 BFG t/a kdws.

December 11th, 2007, 05:36 PM	#8
Speedstang302 I Post Entirely Way Too Much 1996 Mustang GT 13.64@101mph Join Date: Apr 2007 Location: Massachusetss Posts: 5,828 iTrader: 1 reviews	well with the radiator out its alot easier to remove...but an impact wrech is you're best too... __________________ 1990 GT- GT40p Heads\| Anderson N41 cam\| Crane 1.6 RR's\| Trickflow Intake\|MGW Short Throw\| Aluminum d/s\| 3.73's.....still slow....

December 11th, 2007, 10:43 PM	#9
dothedew1654 Regular 1995 Mustang GTS Join Date: Sep 2007 Location: San Diego Posts: 74 iTrader: 0 reviews	Ok, well I just picked up the balancer tonight. But I won't be able to put it in until the weekend, I'll let you know how it goes. What parts will I need? Will I need a puller? __________________ 95 Mustang GTS, 5 Speed, MAC O/R H Pipe, MAC Catback, BBK CAI, Eibach Lowering Springs, Steeda Tri-Ax, Black Bullit 17x9 with 255/40/17 BFG t/a kdws.

December 11th, 2007, 10:50 PM	#10
9cobra3 Regular 1993 Cobra Join Date: Oct 2006 Location: South Carolina Posts: 122 iTrader: 0 reviews	You can rent one form your local auto zone..........damn I sound like an advertisement.

December 11th, 2007, 11:07 PM	#11
nolife MM Fanatic 91GT, 88GT, 02GT Join Date: Dec 2006 Posts: 3,057 Blog Entries: 3 iTrader: 0 reviews	Or buy your own HB puller, they are about $15. A large gear puller should work. The only thing extra I used was red threadlocker on the crank bolt because the previous person used it as well. Not sure if it is required though. Some people suggest replacing the crank bolt with a new one, I didn't. That would suck if your old one broke off. __________________ Last edited by nolife; December 11th, 2007 at 11:15 PM.

December 12th, 2007, 10:19 AM	#15
hopper Regular Join Date: Apr 2007 Posts: 390 iTrader: 0 reviews	I had a simular prob, check carefully all the clutch fan items. mine was cracked and was throwing everything off balance. Also I have had a cracked flex plate on an auto that was cracked and would throw everything out of line just some extra thoughts for ya

December 15th, 2007, 06:36 PM	#16
dothedew1654 Regular 1995 Mustang GTS Join Date: Sep 2007 Location: San Diego Posts: 74 iTrader: 0 reviews	I changed the balancer and the problem was fixed. I was also able to replace it without having to move the radiator. Thanks for the help everyone! __________________ 95 Mustang GTS, 5 Speed, MAC O/R H Pipe, MAC Catback, BBK CAI, Eibach Lowering Springs, Steeda Tri-Ax, Black Bullit 17x9 with 255/40/17 BFG t/a kdws.

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