>also had a first hand look at how the ECU is mounted, 1/2 inch above
>the drain hole! with a plastic cover to keep rain from hitting it.
>If that drain hole ever gets clogged, the ECU will be under water and
>is history. Whoever designed that ECU mounting scheme should be
>guillotined. Did Peugeot have a recall on the ECU mount? Or is that
>no solution plastic cover the recall fix?
>
Early on ( early 1989 I think), Peugeot issued a TSB to all dealers to
seal with silicone the ECU's in '89 405 model cars for the very reason
you describe. This fix was really a stop gap measure, and not a good
solution. In the '91 model, they fashioned a plastic box which fully
encases the ECU. My ECU failed in '93-'94 (check engine light stayed
on...no noticeable decline in performance) due to flooding when my car
had 59k miles which was just beyond the warranty period. I fought Peugeot
NA when faced with the $1100 dealer replacement cost of an ECU but lost.
It took 4-5 months, but I finally found a used ECU for $275. I then
bought the '91 box and installed it in my car.
Mike Savage
'89 405 Mi16 122k miles
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