Savana 4500 V8-6.6L DSL Turbo (2009)
5. Inspect the fuel injector high-pressure line for excessive corrosion, scale or rust to the sealing surface as shown.
Notice
Medium size media glass beads have a cleaning and peening action and do not remove metal. They do not have the quick abrasive action of sharp
edged media. Glass beads clean rust, scale and corrosion from metal parts without any damage.
6. Use an Abrasive Blasting Cabinet, P/N 624-AST-SBC1, (to order, call GM Dealer Equipment), or equivalent, with a medium size media glass
beads to clean the high pressure lines and fittings.
Important
Black plastic electrical tape or equivalent will protect the fittings outside coating from being removed with the media. This must be done
to ALL sixteen high pressure fittings.
7. Install black plastic electrical tape or equivalent on both of the fittings (1) as shown.
8. When using an Abrasive Blasting Cabinet or equivalent, make sure you only clean the inside of the fittings (2) and as much of the fitting threads as
possible as shown.