You're welcome, I'm glad to be of assistance. I also just realized I had a few typos in the post above:


"You should have an AW-71L in both cars"

This is incorrect, I know for certain that the '88 will have an AW-71 (no lockup) and the '90 will probably be the same. The AW-71L wasn't available in the US market until a few years later, and I've seen a few of them on 940 non-turbo wagons. If by some odd chance your '90 ends up having an AW-71L, the lockup torque converter will yeild a few extra mpg once you're above 45 mph. Be advised, you can not mix torque converters and transmissions that are "L" and "non-L" as the lockup function is controlled by a hydraulic actuator inside the transmission valve body.

"...if one vehicle is a sedan and one is a wagon, you may have to change the tailshaft on the back of the transmission since the wagons have the Heavy Duty driveshaft and are slightly larger in diameter (and have a different bolt spacing where the driveshaft joins the tranny & differential). There's one large bolt in the middle of the tailshaft (recessed, and the differential fits overtop of it), and once this is removed the tailshaft should slide right off."

This should have read "There's one large bolt in the middle of the tailshaft (recessed, and the driveshaft fits overtop of it). Once you remove the 4 bolts holding the driveshaft to the tranny tailshaft and pull the driveshaft out of the way, the bolt holding the tailshaft to the transmission will be visible.

God bless,
Fitz.