Where is the vacuum line under the truck and where does it connect to

Rhonda Lechner

Asked by Apr 12, 2015 at 03:14 AM about the 1989 Chevrolet Blazer 4WD

Question type: Maintenance & Repair

It runs like there's a vac. leak but we can't
find it

1 Answer


Most likely to the vacuum modulator on the automatic transmission. HTH. -Jim

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