Fuel Rail and Injectors Installation
WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
- WARNING:
Refer to Fuel Rail Stop Bracket Installation Warning .
NOTE:DO NOT use the fuel injector O- Ring seals again. Install NEW fuel injector O- Ring seals during assembly.
Lubricate the NEW fuel injector O- Ring seals (532, 534) with clean engine oil.
- Install the O- Ring seals to the fuel injectors.
- Install the fuel injectors (533) and retainers (521).
Install the fuel rail assembly (510) to the manifold. Push firmly on both sides of the rail until all the injectors have entered their bores.
- Apply a 5 mm (0.2 in) band of threadlock to the threads of the fuel rail bolts. Adhesives, Fluids, Lubricants, and Sealers
- Install the fuel rail bolts (511) and tighten to 10 N.m (89 lb in).
Install the evaporative emission (EVAP) canister purge solenoid valve (730) and tubes (729, 735).
Install the fuel rail stop bracket and bolt and tighten to 50 N.m (37 lb ft).
CAUTION:
Refer to Fastener Caution .