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Mercury Cougar, Engine, Coupe
#112 of 156 2k cougar that stumbles under load
Feb 08, 2011 (9:24 pm)
i have a 2000 mercury cougar that i just replaced the fuel pump on. it runs great and idles awesome but after it warms up(can happen after 3miles up to 50miles of driving)if i try to go up hill or stomp down for passing gear it stumbles and bucks, spits and sputters. the car takes fuel fine if given at a normal slow and steady pace and it returns to normal as soon as i leave off of the gas when under a load. it is a v6-2.5 we have checked maf, it does code egr but i dont think that the egr does this. changed filters and out of ideas. any help?
#113 of 156 89 cougar under dash vaccuum problem
Apr 21, 2011 (5:02 pm)
I understand that the default air vent is the defrost vent when you can't get the push buttons to move the air to the floor or the front vents. There are no air leaks that can be heard. From the engine compartment their are 3 vaccuum lines going into the car thru the fire wall. Now where are they going? I see the small cluster of colored vaccuum lines pluged into the back of air vent control panel, but no sign of the black vaccuum lines. Two of the three vaccuum lines are 5/32", and the other one is 1/4" in diameter. Does anybody no where I can find a picture of the vaccuum lines are going under the dash????
#114 of 156 2002 possible timing belt problem
May 27, 2011 (8:11 pm)
I have a 2002 cougar and my son in law was driving it when he going up hill it lost power and the engine died. A friend of his (backyard machanic) took a look at it and claims the timing belt went on it. Then a different machanic said the timing belt was fine. How can I know if it is the timing belt. the car won't even start up. I also heard if it was a certain type of motor the engine us now useless. Do you know what this type is? I also was told I should have had the timing belt changed at 60,000m it is now at 63,251. Is this true?
Thank you, Lois
#115 of 156 Re: 2002 possible timing belt problem [loisyangel]
May 28, 2011 (3:15 am)
to see if the belt is missing ,take off the plastic engine cover, remove the metal oil cover . While someone is trying to start the engine look to see if the valves go up and down . If they go up and down the belt is still intact.
the factory recommends changing belt about 60 000 ,but its expensive and usually not that critical under normal driving.
the speed at which the engine was going at the time of the problem will be of some consequence as to the damage .
#116 of 156 Timing belt problem - on Cougar?
May 28, 2011 (3:52 am)
On the Cougar engines I worked, there was a timing chain, not a timing belt (Audi's for example have timing belts). Timing belts need to be changed frequently (80k miles), and just as important the time belt tensioner. I have not heard a similar recommendation for timing chains.
When the timing chain or belt breaks, the resulting damage on a 'interference engine' (where valves and piston can touch each other if out of sync) can be catastophic. From nothing (lucky, happened at low rpm and no load) to bent valves (new heads or remanufacturing of heads, new valves, guides, seals, etc.) to basically new motor form damaged pistons.
If your engine has timing belts fails, first try to turn the engine by hand to feel if there is any interferenc; then see if cam shafts rotate or valves move (if one side moves, the other must move too and you belt is on).
Note: not talking about the serpentine or accessory drive belt. If that fails, nothing really happens, except battery not charged, power steering not working, AC not working, engine may overheat and similar.
#117 of 156 Re: Timing belt problem - on Cougar? [vtraudt]
May 29, 2011 (2:26 am)
thank you for responding so quickly. as it stands right now it does not appear to be the timing chain, he said something about the cam shaft. but still not sure what the problem is. i looked up my engine and found that it is not a "interference engine" which i'm gathering is a good thing.
#118 of 156 Re: 2002 possible timing belt problem [aussieecho]
May 29, 2011 (2:33 am)
as it turns out it appears that the timing belt is not the problem it is still there and tight. he said something about the cam shaft i didn't understand what he was saying. i also check out some info on the enging and it is not a "interference ?" which i'm in the understanding that is a good thing. thank you for responding so quickly. i had the guy do what you said about checking thet belt. thanks lois
#119 of 156 Re: 2002 possible timing belt problem [loisyangel]
May 29, 2011 (2:56 am)
The check engine light should be on. If so get a small code reader from auto zone and start with that what its says.
No codes? Hmmmm. The V6 has a timing chain which never needs replacing likethe belts on some. However, just to be sure, take off the oil fill cap and crank the engine. You should see a bit of the cam moving. Also if it cranks smoothly and the cam moves you probably don' have that type of problem.
Could be a lot of things. That era had a recall on the fuel pump and what you describe happened to me. The car just died. It cost $700. However the next year the recall come up and they repaid me even the towing.
#120 of 156 Re: 2002 Mercury Cougar wont start [cougar21]
Jun 06, 2011 (5:45 pm)
There is a sensor directly under the thermostat housing. If the clip breaks and the thermo housing slides the plug out the slightest bit, the car WILL NOT turn over. Reach down, pull the thermostat housing up, and push the plug as far back as you can. If it does no snap into place you can remove the battery and the air box from the throttle body and get a long zip tie around it and sinch the plug back into place. Hope this helps. This plug backing out a hair had me puzzled for days!
#121 of 156 Re: 1999 Cougar: hose on top of transmission case: where does it go? [vtraudt1]
Jun 06, 2011 (5:52 pm)
It is a breather tube for the transmission dipstick. It is supposed to mount with a clip on the battery tie down bolt closest to the fire wall. It goes where ever its not in the way or hanging downward.