Subject : Use of New Special Tool J 46363 – Fuel Line Disconnect Tool for Fuel Filter Removal/Installation Procedure on 5.3L Flexible Fuel Engine (RPO L59)
Models : 2002-2003 Chevrolet Silverado, Tahoe
2002-2003 GMC Sierra, Yukon
with 5.3L Flexible Fuel Engine (VIN Z — RPO L59)
Some 2002-2003 autos could also be outfitted with a 5.3L Flexible Fuel Engine. A new device and procedure has been launched for the removal and installation of the fuel filter. Observe the service procedure under for the removal and set up of the versatile fuel filter.
Caution: Relieve the gas system strain before servicing fuel system parts so as to cut back the chance of fire and private injury. After relieving the system pressure, a small quantity of gas may be launched when servicing the fuel traces or connections. In an effort to scale back the possibility of non-public injury, cowl the regulator and the fuel line fittings with a shop towel before disconnecting. This will catch any gasoline that may leak out. Place the towel in an approved container when the disconnection is complete.
1. Disconnect the negative battery cable.
2. Set up the J 34730-1A.
3. Loosen the fuel fill cap as a way to relieve gas tank vapor pressure.
4. Open the valve on the J 34730-1A to be able to bleed the system pressure. The gas connections are now secure for servicing.
5. Drain any gas remaining within the gauge into an permitted container.
6. Once the system stress is totally relieved, remove the J 34730-1A.
7. Elevate and suitably help the vehicle. Clear the fuel filter connections and surrounding area before disconnecting the fuel strains as a way to keep away from doable gas system contamination.
8. Utilizing a flare nut wrench and a backup wrench, disconnect the gas line becoming from the fuel filter.
9. Pull the short-join becoming back until the inner retainers hit the filter stop.
10. Twist one finish of the J 46363 – fuel Line Disconnect Device and insert it between the fast-join fitting and the filter.
11. Twist the opposite end of the J 46363 – Gas Line Disconnect Tool and insert it between the fast-connect fitting and the filter.
12. As soon as the J 46363 – Fuel Line Disconnect Tool is inserted, make sure the instrument is parallel to the filter and the fitting.
13. While holding the filter, push the quick-disconnect fitting towards the filter with a view to disconnect the quick- join fitting.
14. Remove the short-connect becoming from the filter. Remove the filter from the bracket.
15. Set up the new fuel filter, P/N 15173334 or P/N 25164003 (A/C Delco P/N GF847), to the bracket.
16. Whereas holding the filter, push the becoming in direction of the filter in an effort to join the fast-join fitting.
17. Using a flare nut wrench and a again up wrench, join the gas line fitting to the filter.
18. Position the gasoline sensor bracket into place and install the 2 nuts. Tighten the 2 nuts to 17 N·m(13 lb ft).
19. Lower the vehicle. Tighten the gas cap. Join the detrimental battery cable.
