Engine - GM Liquid Gasket/Engine Sealants
Bulletin No.: IB07-01-S003Issue Date: JULY 2007
Service Information:
Update On Consolidating The Use Of GM Liquid Gasket/Engine Sealants And The New Sealant Dispenser GE-48326 Available Tool
This Bulletin Supercedes IB05-01-S004
Affected Vehicles:
2003-2007 Isuzu Ascender
2007 Isuzu i-290/i-370 (TI)
2006 Isuzu i-280/i-350 (TI)
Service Information
This bulletin is being revised to add the 2006 and 2007 model years and include additional information on the new sealant dispenser GE-48326 available tool and engine sealant.
In 2005 two sealants replaced all previous sealants referred to in Service News and/or the Service Manual.
In 2007 the engine sealant was consolidated to one which is available in a 150 g cartridge and now a 75 g aluminum tube. As a result P/N 8-12346-141-0 54 g tube has been deleted from service.
One of these engine sealants P/N 8-12378-521-0 was released in a cartridge to be used in a conventional caulking gun. The cartridge and conventional caulking gun proved to be too large and cumbersome in certain instances when used for on-vehicle service.
To address this concern the engine sealant is now being released in a 0.075 kg (75 gram) squeeze tube (packaged six to the carton with nozzles) along with a new available service tool the Kent Moore Sealant Dispenser GE-48326. The Kent Moore Sealant Dispenser GE-48326 can be obtained by contacting Kent Moore at 800-345-2233.
Sealant Guidelines
The specification for applying this sealant is an even bead 3 mm (0.118 in) in diameter. Due to the high viscosity of the sealant a dispenser is required to meet this specification. The Kent Moore GE-48326 Sealant Dispenser provides the ability to apply the sealant to specification using one hand even in areas not accessible using the P/N 8-12378-521-0 Engine Sealant cartridge and caulking gun.
This solitary engine sealant available in tubes and small cartridge is compatible with all synthetic synthetic blends and mineral oils as well as all engine coolants including DEX-COOL(R). The maximum working time of this sealant is 20 minutes. The sealant will be fully cured in 24 hours. The assembly may be filled with oil or coolant immediately after applying the sealant and tightening the bolts.
Engine Sealant Numbers
Special Service Tool Kent Moore GE-48326 Sealant Dispenser
New Engine Sealant 0.075 kg (75 gram) Squeeze Tube.
New Sealant and Sealant Dispenser GE-48326
The following service procedures will assist technicians in the proper use of the new Kent Moore sealant dispenser GE-48326 in applying an even bead of sealant 3 mm (0.118 in) in diameter using one hand even in areas not accessible using engine sealant cartridge and caulking gun.
1. To use the sealant dispenser correctly install the two white tabs on the rear handle (1) over the front handle. The white paint marks are for demonstration purposes only. Now your dispenser is ready to install engine sealant 0.075 kg (75 gram) squeeze tube.
2. Before installing engine sealant 0.075 kg (75 gram) squeeze tube into the dispenser install a small piece of medium grit sandpaper or equivalent by folding it over the bottom of the squeeze tube (1). This will help hold the squeeze tube firmly in place while using the sealant dispenser.
3. Install engine sealant 0.075 kg (75 gram) squeeze tube with a small piece of medium grit sandpaper into the dispenser (see illustration). Remember to open the squeeze tube with a sharp knife or equivalent and cut the sealant nozzle to the correct diameter to apply a 3 mm (0.118 in) even bead of sealant.
4. The sealant dispenser with the engine sealant is now ready to be used (see illustration).
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