Fuel Injector Sleeve

FUEL INJECTOR SLEEVE

Special Tool(s):

Special Tool(s)

Removal

1. NOTE: To install a new fuel injector sleeve, the cylinder heads must be removed from the vehicle.

Remove the cylinder heads from the engine.

2. Remove the lifting bracket from the cylinder head.






3. NOTE: Early build engines will have 4 rocker arm carrier to cylinder head bolts. Late build will have 2 rocker arm carrier to cylinder head bolts.

NOTE: Early build shown, late build similar.

Remove the bolts and separate the rocker arm carrier from the cylinder head.






4. Remove the press-in-place gasket.
- Remove the cylinder head dowels.
- Clean and inspect the gasket.
- Clean and inspect the sealing surface.







5. NOTE: The fuel injector sleeve is made of stainless steel. Lubrication of the fuel injector sleeve removal tap is necessary. Excessive force will be needed to get the tap started and damage to the tap can occur without lubrication.

Insert the injector sleeve tap and injector sleeve tap pilot into the cylinder head fuel injector bore. Tighten injector sleeve tap 1-1/2 to 2 turns.







6. Install the fuel injector sleeve removal tool into the threaded sleeve. Using the special tools, remove the fuel injector sleeve from the cylinder head fuel injector bore. Discard the sleeve.







7. Using the special tool, clean the fuel injector bore of deposits and hardened sealant.







8. Remove the fuel rail plug. Clean the fuel gallery with a wire brush. Use filtered compressed air to remove the foreign material from the gallery. Install the fuel rail plug.

Installation
1. Verify the fuel injector bore is clean and dry.







2. Position the fuel injector sleeve onto the Injector Sleeve Replacer. Apply Threadlock 262 or equivalent to the very bottom (smallest diameter) and very top (largest diameter) flat areas.







3. Position the fuel injector sleeve into the cylinder head fuel injector bore. Seat the fuel injector sleeve in the fuel injector bore, using a rubber mallet. If any sealant gets into the inside of the injector sleeve, it must be cleaned out before it hardens.







4. Install the press-in-place gasket.
- Install the dowels and the gasket.







5. NOTE: Early build engines will have 4 rocker arm carrier to cylinder head bolts. Late build will have 2 rocker arm carrier to cylinder head bolts.

NOTE: Early build shown, late build similar.

Install the rocker arm carrier and the bolts.
- Early build vehicles (M8 bolt) Tighten to 31 Nm (23 lb-ft).
- Late build vehicles (M10 bolt) Tighten to 62 Nm (46 lb-ft).

6. Install the lifting bracket on the cylinder head.
7. Install the cylinder heads.