1984 6.2l Suburban 4x4

Asked by Dec 30, 2016 at 01:24 PM

Question type: Maintenance & Repair

I know that it needs glow plugs,
but my question is the silver
vertically rectangular box on
my firewall. It is leaking slowly
after driving. Is this a water
extractor? Can I simply unclip it
and empty it (gasket?) or must
it be replaced?

1 Answer

76,885

Post a photo please.

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