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dlwms
New User
Sep 5, 2012, 5:16 PM
Post #1 of 12
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1995 mercury cougar
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HEY GUYS IM NEW HERE BUT I'VE BEEN WORKING ON OLDER CARS A VERY LONG TIME...? IS MY '95 COUGAR HAS A VIBRATING WHEN SHE'S @ IDLE SPEED.... I'VE TUNED 'ER UP, NEW MOTOR MOUNTS, & I JUST DON'T KNOW WHAT ELSE TO DO ...ANY IDEAS???? HELP!!!!!
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Discretesignals
Ultimate Carjunky
/ Moderator
Sep 5, 2012, 5:40 PM
Post #2 of 12
(2367 views)
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Re: 1995 mercury cougar
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Which engine? Check engine light on?
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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nickwarner
Veteran
/ Moderator
Sep 5, 2012, 6:08 PM
Post #3 of 12
(2355 views)
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Re: 1995 mercury cougar
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Does it get worse when you put it in gear?
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dlwms
New User
Sep 6, 2012, 6:46 AM
Post #4 of 12
(2306 views)
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Re: 1995 mercury cougar
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3.8 liter..yes my engine light is on..the vibrating & shaking is mainly on the driver side, of engine. Could it be one of my cadillac converters on just that side, or does that type of car have beads in converter? Thanx 4 response..
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dlwms
New User
Sep 6, 2012, 6:50 AM
Post #5 of 12
(2304 views)
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Re: 1995 mercury cougar
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Yes, it does get worse in gear...But the shaking & trembling is there all the time just worse when I put'er in gear..When I put' er in gear the drivers side of the engine causes the entire engine to shake....
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Sep 6, 2012, 6:53 AM
Post #6 of 12
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Re: 1995 mercury cougar
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Recheck your new mounts as whole engine if shaking wouldn't pick just one side unless it was cracked into two peices. No beads since the 1970s that I know of for converters when you could drain and replace them for a short while back when. Fixed 'honeycomb' of material.
If one side is clogged and can just loosen it pre converter or test for back pressure would be telling. I tend to doubt that is the up front trouble at all so far,
T
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Sep 6, 2012, 3:43 PM
Post #8 of 12
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Re: 1995 mercury cougar
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Laugh - didn't check if this has two converters or one but not the issue. I do remember the coated pellets and a drain plug on converters early on and a good idea for the time as so much leaded gas ruined them you could just change the pellets but nobody did that I knew of. Gas stations were putting cheaper leaded fuel in the tanks for the station's tanks,
T
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greasy one
User
Sep 9, 2012, 6:23 PM
Post #9 of 12
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Re: 1995 mercury cougar
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Hehe, my Cadillac converter burst into flames in 1983, in the Mts of WV, while a traveling photographer. I grabbed some reeds and got it out. A guy cut it off and we kept the secret.
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nickwarner
Veteran
/ Moderator
Sep 10, 2012, 6:31 PM
Post #11 of 12
(2121 views)
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Re: 1995 mercury cougar
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New one to me. Didn't know Cadillac made the Mercury Cougar. Maybe you had problems with a catalytic convertor. Also it costs $50 to every person who reads this thread to continue to keep the secret safe.
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greasy one
User
Sep 10, 2012, 8:16 PM
Post #12 of 12
(2117 views)
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Re: 1995 mercury cougar
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I was going with what was posted. I did have a Caddy. 1976 Coupe and nothing could touch it. I advanced the timing and maybe that helped ignite the cat. converter.  Anyways it did like 150 with plenty left. The motor had a shorter life than usual. lol. I changed it. I still have the factory paper with the coding and just scanned it a couple weeks ago. What a car.
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