General questions

Windjammer

Registered User
It was suggested to me that I might get more comments posting in this forum.


My new to me 95 needs a few things looked after. It needed new belts, the rad was flushed with new coolant and the brakes serviced and adjusted. Another thing it needs a electronic lock repair. I lucked into a new NOS in the box keypad . I can replace the old one or use parts from the new one and repair the old one. The question I have is it plug and play to replace the old one? I assume the master code is stored in the computer and the keypad is just an entry unit.

My other question concerns engine cooling issues. My main fan does not want to come on by itself. It works fine with ac or panel on so the secondary circuit and fan work. I have read all the posts about cutting wires and various jury rigs but I don't want to do that. I also lucked into a new NOS temp sensor and a good used IRCM. I hope one or both will solve the fan issue. I assume the high speed fan works but not tested yet. I must say the main fan works really well when it is running.

I was told the main fan in the 95 is single speed rarely supported by the little pusher fan. I also am concerned at how hot the engine is when the computer decides to turn the fan on. I know that they run for many thousands of miles that way but it bothers me as I think that is one component of the head gasket issue. I am thinking why even bother with the IRCM and just bypass it with a top notch fan controller which I already have and set the fan to come on at lot lower temp. I read that many of you have done that. Any suggestions about that process. How about connection points?

How is the high speed fan controlled? Does it also get signals from the IRCM? Seems to me it makes sense that that fan comes on whenever the AC comes on. I would think the AC can use the extra boost of that fan. Can that fan be wired to the AC circuit so that it does?

My last question is about wheel offsets. I was told that 40 is great but I also heard 38. If the tires are 245 what are the highest/lowest offsets that work?

Thanks for the help
 

sam jones

Registered User
Good evening

I am assuming this is high mileage car (greater than 130K). Did the previous owner maintain the car? If not I would recommend to check or replace the following:

-Thermostat.
-Water pump.
-Upper/lower radiator hoses, bypass hose, oil cooler hoses.
-Have the radiator professionally cleaned and pressure tested.
-Coolant and temp sensor replaced.
-Belt(s)

Inspect the harmonic balancer. Check for wobble, broken/missing bolts.

Door.

The replacement parts listed (mechanics/electronics within the door) are plug and play. Does not affect the Keyless Entry.


How is the fan speed controlled?

The EEC Module monitors the coolant temperature, vehicle speed, and the A/C status to determine the speed at which the fan will operate. Once the fan speed is determined, the EEC Module energizes the High Speed Fan Relay or the Low Speed Fan Relay (within the Intergrated Control Module) to allow application of battery voltage through Fusible link B to the correct windings of the Cooling Fan Motor.


Hope this answers some of your questions.


Good Luck
 

Windjammer

Registered User
No the car just turned 30,000 KM about 18,000 miles

Good evening

I am assuming this is high mileage car (greater than 130K). Did the previous owner maintain the car? If not I would recommend to check or replace the following:

-Thermostat.
-Water pump.
-Upper/lower radiator hoses, bypass hose, oil cooler hoses.
-Have the radiator professionally cleaned and pressure tested.
-Coolant and temp sensor replaced.
-Belt(s)

Inspect the harmonic balancer. Check for wobble, broken/missing bolts.

Door.

The replacement parts listed (mechanics/electronics within the door) are plug and play. Does not affect the Keyless Entry.


How is the fan speed controlled?

The EEC Module monitors the coolant temperature, vehicle speed, and the A/C status to determine the speed at which the fan will operate. Once the fan speed is determined, the EEC Module energizes the High Speed Fan Relay or the Low Speed Fan Relay (within the Intergrated Control Module) to allow application of battery voltage through Fusible link B to the correct windings of the Cooling Fan Motor.


Hope this answers some of your questions.


Good Luck
 

Jimmy 2Coupes

SCCoA Member
I have no idea on the keyless entry system but it could be as simple as the code being changed. Does the pad light up?

The factory PCM turns the puller fan at 220 degrees which is right about at the M in norm on the temp gauge assuming the cooling system is full and the gauge sender is working properly. Are you sure the coolant is getting hot enough to turn the fan on? The pusher fan is really a backup in case the puller fan fails to get the temps down or just plain fails. It comes on at 228 degrees. Sounds to me like you could use a scan tool with the capability of monitoring the coolant temps so you can see for sure if your fan isn't turning on at 220 degrees. A KOEO (key on engine off) test will/should turn both fans on for a second to test them.

The best way IMO to program lower turn on temps for the fans is to contact Dave at Super Coupes Unlimited and have him burn a chip for this purpose. He can make some other changes while he's at it to make your SC run better.

Not sure about wheel offsets. I'm running 18x9” chrome Cobra R knock offs from Brad at the Custom Wheel Shop on one of my SC's and with 245x45 18” tires they look perfect whatever the wheel offset is. The car is lowered with H&R lowering springs though.
 

fstcoup

SCCoA Member
Not sure what you're saying about the lock repair ....The keyless entry pad has a pigtail connector if you look at the new one you will see it. The code is stored in the module inside the trunk, pull back the left side trunk lining and look for the large black module, this is what you may need to replace , the pads rarely go bad. The code should be listed there or on the trunk hinge....a five digit code. Any other Tbird - Cougar module of that year will work and the number or code as you thought will be on the module itself or the trunk hinge, if you have a upull it or junkyard nearby. Best of luck.
 
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