Diesel Place : Chevrolet and GMC Diesel Truck Forums - View Single Post - PLEASE HELP
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Old 03-02-2016, 05:12 PM   #78 (permalink)
Diesel Student
Join Date: Feb 2016
Posts: 48

Originally Posted by Freddyack View Post
Slight vacuum is OK, loud "whoosh" vacuum is not. Extreme cases of excess vacuum have collapsed fuel tanks on these trucks.
Holy crap really? Well mine was a huge whoosh! The cap is definitely newer than the truck. I've got it loose now and I will pick up a new cap tonight or tomorrow. Thanks for that info, that could've been bad :O
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