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Home >> GMC >> 1991 >> Value Van 7.4 N >> Repair and Diagnosis >> External Pages >> Different car >> Section 78 (Engine Controls - Remove/Install/Overhaul - 5.2L CNG) >> Fuel System >> Fuel Tubes & Fittings >> Installation (Used Fittings)

Installation (Used Fittings)

WARNING: This page is about a different car, the 1995 Dodge Ram Wagon, 1995 Dodge Ram Van, 1995 Dodge Pickup, and 1995 Dodge Dakota. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install tube with pre-swaged, collapsed ferrule into fitting body until ferrule is seated. Tighten fitting by hand. Using a wrench and a back-up wrench, tighten fitting until increase in resistance is felt.
  2. Slowly tighten fitting an additional 1/12 turn. DO NOT overtighten fitting. Check fitting using go/no-go gauge. If go/no-go gauge still fits between fitting and fitting body, replace fitting. When complete, leak test.
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