Glow Plug: Service and Repair

Special Tool(s):

SPECIAL TOOL(S)

REMOVAL
1. If servicing the RH glow plugs, remove the evaporator core housing.







2. Disconnect the glow plug electrical connector.

NOTE: LH shown, RH similar.







3. Remove the glow plug buss bar.







4. Remove the glow plug.
5. If required, remove the cylinder heads from the engine.

NOTE: To install new glow plug sleeves, the cylinder heads must be removed from the vehicle.







6. Thread the glow plug sleeve removal tap into the glow plug sleeve.

NOTE: The glow plug sleeve is made of stainless steel. Lubrication of the glow plug sleeve removal tap is necessary, or damage to the tap and excessive force will be needed to get the tap started.







7. Install the glow plug sleeve removal tool into the threaded sleeve and tighten. Use a wrench to thread the tool into the sleeve until the sleeve is extracted.







8. Clean the glow plug bore with a stiff wire brush. Use filtered compressed air to remove the debris from the glow plug recess.

INSTALLATION
1. Verify the glow plug bore is completely clean and dry.







2. Apply Threadlock 262 sealant to the glow plug sleeve in two places.







3. Install the glow plug sleeve into the glow plug bore until it bottoms.
4. Clean the glow plug sleeve after installation with a nylon brush and solvent. Make sure Threadlock 262 sealant is cleaned out before it hardens.
5. Install the cylinder heads.







6. Install the glow plug.







7. Inspect and install new the O-rings as necessary.







8. Install the glow plug buss bar.







9. Connect the glow plug electrical connector.
10. If removed, install the evaporator core housing.