Operation CHARM: Car repair manuals for everyone.
Home >> Hummer >> 2005 >> H2 V8-6.0L >> Repair and Diagnosis >> Engine, Cooling and Exhaust >> Engine >> Service and Repair >> Overhaul >> 90. Engine Prelubing
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

90. Engine Prelubing



Engine Prelubing

^ Tools Required
- J 45299 Engine Pre-Luber





Important: A constant and continuous flow of clean engine oil is required in order to properly prime the engine. Be sure to use an approved engine oil as specified in the owners manual.

1. Remove the engine oil filter, fill with clean engine oil.

Notice: Refer to Fastener Notice in Service Precautions.

2. Install the oil filter.
^ Tighten the oil filter to 30 Nm (22 ft. lbs.).
3. Locate the engine block left front oil gallery plug (116).
4. Install the M16 x 1.5 adapter P/N 509375.





5. Install the flexible hose to the adapter and open the valve.
6. Pump the handle on the J 45299 in order to flow a minimum of 1-1.9 liters (1-2 quarts) engine oil. Observe the flow of engine oil through the flexible hose and into the engine assembly.
7. Close the valve and remove the flexible hose and adapter from the engine.
8. Install the gallery plug to the engine.
^ Tighten the oil gallery plug to 60 Nm (44 ft. lbs.).
9. Top-off the engine oil to the proper level.
pro multis · About Operation CHARM