Operation CHARM: Car repair manuals for everyone.

Engine: Service Precautions

Parts Requiring Angular Tightening
^ Use an angle wrench for the final tightening of the following engine parts:
a) Cylinder head bolts
b) Main bearing cap bolts
c) Connecting rod cap nuts
^ Do not use a torque value for final tightening.
^ The torque value for these parts are for a preliminary step.
^ Ensure thread and seat surfaces are clean and coated with engine oil.

Liquid Gasket Application Procedure
1. Use a scraper to remove old RTV silicone sealant from mating surfaces and grooves. Also, completely clean any oil from these areas.





2. Apply a continuous bead of RTV silicone sealant to mating surfaces. (Use Genuine RTV silicone sealant Part No. 999MP-A7007 or equivalent).
^ For oil pan, be sure RTV silicone sealant diameter is 3.5 to 4.5 mm (0.138 to 0.177 inch).
^ For areas except oil pan, be sure RTV silicone sealant diameter is 2.0 to 3.0 mm (0.079 to 0.118 inch).





3. Apply RTV silicone sealant around the inner side of bolt holes (unless otherwise specified).
4. Assembly should be done within 5 minutes after coating.
5. Wait at least 30 minutes before refilling engine oil and engine coolant.