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Mercury Cougar Engine Questions

63 messages,  Last post on Nov 20, 2009 at 7:44 PM

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What is this discussion about? Mercury Cougar, Engine, Coupe

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#22 of 63 Re: 2000 Mercury Cougar Problems [lmoreno3] by vtraudt Jan 01, 2009 (7:02 am)
Replying to: lmoreno3 (Dec 31, 2008 8:57 am) Have you measured the actual temp of the coolant (to determine if the gauges/sensors are wrong)? An IR temp sensor is useful. Even the temp of the readiator metal or coolant hoses will give a good approximation.   How soon do the gauges show "hot"? If soon after startup, your coolant thermostat is stuck and won't open. In this case, one of the rubber hoses is hot, while the radiator is still cold.
#23 of 63 Re: 2000 Mercury Cougar Problems by lmoreno3 Jan 03, 2009 (10:16 am)
If I am on the highway doing 70 mph, it takes about 10 mins. for the gauge to start marking hot. Have had it checked with an IR temp sensor, have checked the hoses to see if any are collapsed and none are. Water in the bottle, does not boil out. Thermostat is brand new.   sn5bah Replies to this message: vtraudt (Jan 03, 2009 10:39 am) avp0713 (Jun 17, 2009 8:25 pm) lmoreno3 (Jun 21, 2009 5:54 pm)
#24 of 63 Re: 2000 Mercury Cougar Problems [lmoreno3] by vtraudt Jan 03, 2009 (10:39 am)
Replying to: lmoreno3 (Jan 03, 2009 10:16 am) I'd say: if not done already, change the coolant termostat ($6.99 at Autozone), install a lower temp than factory (180 deg F or less). Its not that much work and costs nothing.   Are your fans kicking in?
#25 of 63 Re: trouble codes question [lmoreno3] by yankabilly Jan 04, 2009 (6:48 pm)
Replying to: lmoreno3 (May 27, 2008 5:06 am) E-bay our buy it at the dealers. Replies to this message: vtraudt (Jan 18, 2009 10:28 am)
#26 of 63 Re: 1999 Cougar: hose on top of transmission case: where does it go? [vtraudt1] by tc8ball Jan 18, 2009 (10:18 am)
Replying to: vtraudt1 (Jun 21, 2008 3:03 pm) im sure u already have this answer, but it doesnt go anywhere, its a vent.
#27 of 63 Re: trouble codes question [yankabilly] by vtraudt Jan 18, 2009 (10:28 am)
Replying to: yankabilly (Jan 04, 2009 6:48 pm) I learned back then from the posts that this is going no where, just an open vent hose.
#28 of 63 Idles until gas pressed by 86Cougar Jan 23, 2009 (1:27 pm)
HELP!!! My baby, an 86 Cougar, has developed a problem and you don't know when it will occur; but seems to happen after getting warmed up. For instance, drove to work, everything fine; on way home stopped by store. Waiting red light, engine idle fine...light turns green & I press the gas and she bogs & dies. Started back up OK, but then had to keep foot on brake & gas when slowing or stopping or car would die. I'm not ready to give up on the old girl---she's been too good to me for over 20 yrs. Up until now, she ran when all the others would break down!!   Thanks, 86 Cougar Replies to this message: thundercat (Mar 04, 2009 9:07 am)
#29 of 63 Where is the outside sensor located? by BillyOH Jan 25, 2009 (4:45 pm)
Where is outside sensor located on my newer Mercury Cougar that registers the outside air temperature on the inside of my car? Ive always wondered where this is located on a car.
#30 of 63 89 Cougar LS by 89cougar Jan 29, 2009 (10:26 am)
My son car will shut off when driving down the road it will do it only sometimes and he can only get heat or air through the defrost vent will not come out the vents in dash. If anyone can help I would be very thankful he is very upset it's his first car thanks for any help :cry Replies to this message: vtraudt (Jan 29, 2009 12:23 pm) 89cougar (Jan 29, 2009 1:03 pm)
#31 of 63 Re: 89 Cougar LS [89cougar] by vtraudt Jan 29, 2009 (12:23 pm)
Replying to: 89cougar (Jan 29, 2009 10:26 am) We had the same problems: - shutoff when driving: it starts with the lights going dimmer, then the instruments go all wacky, then the engine cuts out. Daily recharging of the battery helped to get by for 1 or 2 days. At the end, we changed the alternator, which fixed it in our case - no heat/air coming from vents (except defrost): this was going on for more than a year. This week we had to take the engine apart (white smoke, fouled up spark plug: looked like head gasket. It is now back together; we'll see). In the process, we found a small plasctic vaccuum line broken. I patched it up by using a small (just to fit over the plastic line) and a larger (that fits over the first) shrink tube to connect the 2 broken lines. If/when the engine is running again, we will report if that solved the problem (VERY likely). Let me know if you need pics to identify the tube which caused the problem in our case (could be any vaccum line though; vents are moved by actuators powered by the engine vaccuum; if you have a leak, the vent stays in its default position, which is "all air to the defrost").   Volker Replies to this message: 89cougar (Jan 29, 2009 1:03 pm)

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