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Home >> Chevrolet >> 2001 >> Camaro Base, 2D Convertible, Automatic >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Control System - Removal & Installation, Overhaul >> Fuel Systems >> Lock-Off Solenoids (2.2L - Cavalier - CNG) >> Removal & Installation (Low Pressure)

Removal & Installation (Low Pressure)

  1. Disconnect negative battery cable. Disconnect Low Pressure Lock-off (LPL) solenoid electrical connector. See Figure. Remove harness clip from mounting bracket. Disconnect fuel lines and remove LPL outlet and inlet fittings. Remove LPL-to-bracket mounting bolts and remove LPL.
  2. During installation, apply pipe thread sealant to threads of fuel inlet outlet fittings before installation. DO NOT use teflon tape. Use NEW "O" rings lubricated with petroleum jelly for all applications. Install LPL solenoid to bracket. Align LPL inlet fitting port to CNG fuel inlet line. Install LPL mounting bolts and tighten to 108 INCH lbs. (12 N.m). Install LPL inlet fitting and tighten finger-tight plus 1-3 turns. Install LPL outlet fitting. Align LPL outlet fitting to LPL to LPR line and tighten fuel outlet fitting finger-tight plus 1-3 turns. Connect fuel line inlet and outlet fittings and tighten to 18 ft. lbs. (24 N.m). Install harness clip to mounting bracket and connect LPL electrical connector. Connect negative battery cable. Start engine and check for CNG fuel leaks at each serviced fitting using CNG Leak Detector (J 41416).
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