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engine swap issues S90-V90

posted by  someone claiming to be audinut on  Mon Dec 1 05:26 CST 2003 [RELATED]

I just got done changing out a "bad" motor in a 98 V90 and thought I'd post up a couple of the issues I encountered. The motor we had to put back in came from a 97 960 and we found that the harness did not contain a wire for the PNP switch. We jumped that pin to ground and the motor would crank over but not start. The gentleman writing the check decided it would be best to swap the harness, in case any other signals were missing, and 4 hours later it was done. Still would not start but would at least turn over without help. After checking to make sure we were getting signals to the injectors and coil packs we tried opening the schrader valve on the fuel rail, and all we got was a dribble. So then we swapped rails and now it runs. Changing out the harness with the engine installed is quite a PITA but can be done without removing anything more than the air cleaner cover and tube to the manifold. You do however have to remove the nut on the left motor mount and lift the engine up off the mount as far as the low side P.S. hose will allow in order to snake the harness out.






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