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I replaced our 92 fitting with GM
While changing out the alternator in our '92 Lesabre last year, I noticed some coolant below where the old plastic piece threads. I discovered that the piece was already half broken. I bought the GM replacement which came with a nice 'O' ring at the end. I had some trouble getting out the old part, but have had no problems since changing to the metal part. So how much $$$ did GM save by using the plastic part? I heard from the parts guy at a GM dealer that others had this piece fail while doing 60 MPH. To me it's just another example of ridiculous engineering. Use a plastic part on the cooling system where it can fail, but apply mirror finish stainless steel trim to the lower body of Park Avenues. Too much trim and not enough logic where it is really needed. I really don't think I'll be buying any more GM cars.
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