fuel tank callapse
30

Asked by joem3918 Aug 08, 2016 at 06:23 AM about the 2000 Chevrolet C/K 3500 LB 4WD

Question type: Maintenance & Repair

2000 chevy k3500. what is causing fuel tank callapse. replaced original with
aftermarket. lasted about 2 yrs. 2nd one lasted about 5 weeks. now putting in
another. mechanic claims tanks don't callapse. fuel cap was replaced by epa
echeck facilty., said the original cap was faulty.

1 Answer
30

joem3918 answered 7 years ago

seems the whole problem was the new fuel cap. seems there were 2 vacuum systems for 2000 chevy k3500. mine required a gm cap that has a vacuum regulator built in. a regular vented cap will not work

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