[urq] 1983-1985 differences

[martin at quattro.ca]

Lois-Alain,

I haven't hear from Eric.
Any way you could give me the last digits of the VIN.
Just for my reference sake.

Cutout sounds like may be overboost.  i.e. not a vacuum leak but the
opposite. :)  The only other time ECU will cut out fuel is the 4k rpm
cutout.

-So.. crankcase vent is correct.
-Head differernce is also correct.
-Thermo-time switch should be on the back of the head for all years.
-However the coolant overtemp switch does move from back of the head to
the coolant outlet spout).
-Half way through '83 tak on ECU was blue.
-Yep, bleeder screw is stock on '84 and up.
-Rad thermo switch is three blade, but only two contacts should be used.
-Yep, ignition module location is different because the A/C relays are gone.

-Also you will notice that the ECU harness exits the firewall in a
diffeerent location.
-You will also notice that the coolant expansion tank is different and in
different location (non interchangable).

There are many differences, if I can think of few more I'll let you know.

Thanks!
Martin

> I am currently working on Eric's car, a 1985 WX. The engine is still
> experiencing a cut-out, now in the 3000 rpm range. My guess is a boost
> leak
> somewhere. So last night, I replaced all the vacuum hoses, even the
> hard-to
> reach one that goes trough the firewall to the ECU. I also re-soldered the
> terminals to the air temperature sensor and cleaned the WOT/idle switches.
>
>
> When poking in this area, I discovered a few disparities with my 1983. Can
> anyone of you confirm, please ? It will help us determine if the car is
> still in his stock form.
>
> - on a 1985, there is crankcase ventilation steel tube that come out of
> the
> bottom of the block. BTW, the block is a genuine WX, according to its
> block
> number.
>
> - the casting for the engine head is different; it has a mounting boss for
> the 4000-style vacuum pump, even if this boss is not functional.
>
> - the thermo-time switch is moved from the back of the head to the elbow
> housing.
>
> - the ECU tag is blue, where the 1983 is yellow.
>
> - there is a bleeder screw on the top of the radiator.
>
> - the radiator fan switch is the 2-speed unit in the bottom of the
> radiator,
> where the 1983 has 2 different switches, one in the radiator, one in the
> tank-to-radiator hose.
>
> - the ignition module is still in the glovebox, but closer to the right
> side
> of the car.
>
> More to follow.
>
> Louis-Alain
>
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