RTV

Revision as of 06:34, 28 February 2014; view current revision
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For many parts you don't need a gasket, you can use just RTV for a leak-proof seal. But RTV is over easy to misuse, so follow the directions to the letter. Engine failure has resulted from improper RTV application.

Overview

Instead of a gasket, use RTV silicone sealer "gasket maker". Just be careful not to use too much and to follow the directions (e.g. let it partially set up before assembly)

CAUTION: Do not use on the oil pump

Do not use a gasket AND RTV.

Permatex have "Gear Oil RTV Sealant" Quote:
Because gear oil has friction modifiers that break down normal RTV and cause leaking, this specialty silicone has been tested to OEM specifications to ensure complete sealing.

They also have Ultra Black RTV Silicone which is designed for "differential covers".

Oxygen Sensor Safe RTV

• Timing Cover
• Water Pump
• oil pan corners
• Bush fix/road fix
• Thermostat Housing
• plugging manifold Water Ports