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Mercury Cougar Engine Questions

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

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#58 of 63 Re: Overheating 2000 Cougar [avp0713] by lmoreno3 Aug 21, 2009 (2:40 pm)
Replying to: avp0713 (Aug 20, 2009 8:08 am) Thanx for the info and advice. I went a purchased an Eqqus guage today, and am going to install it tomorrow. One more question though. Coming out of the water temperature sensor plug are two wires. One is green witha red stripe and the other is grey with a red stripe. The question is which one is the ground the green with the red stripe or the grey with the red stripe? I want to get this right the first time, since it is a tight fit to work in.
#59 of 63 Temperature gauge rewire by lmoreno3 Aug 23, 2009 (8:59 am)
I am going to rewire the water temperature sensor to the original gauge, is this a diffifult fix. I do not currently plan to cut off the wires, just splice the new ones on. I think my problems is a short in the wiring, and am going to give this a shot. Let me know if any of you think this is a good idea or a bad one.
#60 of 63 Re: 2000 Cougar Alternator surging problem [protech1] by natalieisiahb Oct 15, 2009 (6:57 pm)
Replying to: protech1 (Aug 10, 2009 3:32 pm) Hope you can help, I own the same vehicle and I am currently having the same problems. I have also replaced two alternators and the battery. Someone advised me to change the electrical voltage regulator and that would take care of the problem. Just wondering if you had found out anything about your situation or to see if maybe my advise may help you. Please contact me with a solution to the problem if you found one. e-mail address natbear0104yahoo.com. Thanks, Crystal Replies to this message: avp0713 (Oct 16, 2009 2:37 am)
#61 of 63 Re: 2000 Cougar Alternator surging problem [natalieisiahb] by avp0713 Oct 16, 2009 (2:37 am)
Replying to: natalieisiahb (Oct 15, 2009 6:57 pm) My problem was, the temperature gauge was fluctuating between cold and hot (needle going all the way up to the red area). After checking all the obvious signs of overheating; bubbling or overflowing water bottle, bulging hoses, etc. I realized it was just a bad temperature gauge. It still fluctuates all the way up to the red (hot) area... I have not been paying it any mind. It is not overheating. We have been driving it like that with no problem. And no, I have not yet put in a different temperature gauge. At some point we will put in an after-market MECHANICAL temperature gauge, as opposed to an electrical or electronic one.   2 years ago, I DID replace the Alternator when it went bad.... by chance I found an unused alternator on eBAY for $30 and I paid a "sidewalk mechanic" $100 to install it right in my driveway - in mid winter no less. For comparison, this would cost approx. $500 at the dealer.
#62 of 63 Thermostat by lmoreno3 Nov 20, 2009 (4:23 pm)
Greetings everyone, lmoreno3 here. Just a couple of questions. My sons '00 Cougar with a V6, was showing that it was overheating, after a lot of work done to it, I removed the thermostat, after having it changed three or four times. Cold season is coming up, and I asked him if he wanted me to install a new thermostat, he said what for, the car heater and defroster are working fine. He turned the car on and let it get to operating temp., turned on the heater and the defroster, and warm air was coming out, when he turned up the heat, it came out hot and the car did not overheat. Question, does anyone know how many thermostats this car has? I was under the opinion that it only had one? If it has more than one, where is the other one located?   Thanx in advance for the help. Replies to this message: avp0713 (Nov 20, 2009 7:44 pm)
#63 of 63 Re: Thermostat [lmoreno3] by avp0713 Nov 20, 2009 (7:44 pm)
Replying to: lmoreno3 (Nov 20, 2009 4:23 pm) Your sons cougar probably has a bad temperature gauge; the thermostat is probably fine. I belive there is only 1 thermostat.   When the Cougar is running hot, give it a good bash on the top of the dashboard right over the Temp. Gauge, it's tricky cause the Dash is curved, but you'll notice that if you bash it good a couple times, the needle might jump right to the correct spot.

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