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Home >> GMC >> 1991 >> Value Van 7.4 N >> Repair and Diagnosis >> External Pages >> Different car >> Section 88 (3.3L V6 CNG - VIN [J]) >> Removal & Installation >> Fuel Lines & Fittings >> Installation (Used Fittings)

Installation (Used Fittings)

WARNING: This page is about a different car, the 1995 Plymouth Voyager, 1995 Plymouth Grand Voyager, 1995 Dodge Grand Caravan, and 1995 Dodge Caravan. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ensure fuel line, ferrules and fitting are clean. Install fuel line with ferrules into fitting until ferrule is fully seated.
  2. Tighten nut by hand. Place wrench on fitting. Tighten nut until increase in resistance is felt. Slowly tighten nut an additional 1/12 turn. DO NOT  overtighten nut.
  3. Check fitting using go/no-go gauge. See Figure. Fitting is properly tightened if go/no-go gauge does not fit between nut and fitting.
    CAUTION: DO NOT  install go/no-go gauge on fitting while tightening the nut.
  4. If go/no-go gauge fits between fitting and nut after tightening nut, slowly continue to tighten nut in small increments until go/no-go gauge no longer fits. DO NOT  overtighten nut.
  5. Perform fuel line and fitting leak test after servicing fuel line and fitting. See FUEL LINE & FITTING LEAK TEST .
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