ACDelco RTV Silicone Sealant is an effective sealant designed to adhere to a variety of substances including glass and most metals. It is non-corrosive to ferrous metals with a non-acid curing system and has a room-temperature vulcanizing (RTV) formula that is also a high viscosity engine sealant that cures when exposed to air. ACDelco RTV Silicone has been formulated to meet your expectations for durability and longevity. ⚠
| FAQ - Answer 1 | Yes. Surfaces must be clean, dry, grease-free, oil-free and old gasket material removed as required. Be prepared to join or connect the surfaces as soon as the gasket material is applied. |
| FAQ - Answer 2 | No. Primer is not required. |
| FAQ - Answer 3 | Silicone sealants can be used on many non-automotive applications. Read product instructions, however, because some products are not intended for use as engine gaskets. |
| FAQ - Answer 4 | Yes, silicone sealants must not be used for engine or transmission applications. |
| FAQ - Question 1 | Do I need to prepare the surfaces to be bonded before using the sealants? |
| FAQ - Question 2 | Do I need to use a primer before applying the sealants? |
| FAQ - Question 3 | Can the sealants be used for non-automotive applications? |
| FAQ - Question 4 | Are there any vehicle components I should never use silicone sealants on? |
| Good Maintenance Practices - Section 1 - Bullet 1 | Parts should be thoroughly cleaned prior to the application of silicone sealant. |
| Good Maintenance Practices - Section 1 - Bullet 2 | Carefully follow the directions for sealant applications as improper use can also cause damage. |
| Good Maintenance Practices - Section 1 - Bullet 3 | After exposure to the moisture in the air, the sealant will begin to cure so parts should be positioned quickly after application. |
| Height (in) | 1.5 |
| Length (in) | 6 |
| Programming Required | No |
| Signs of Wear & Troubleshooting - Section 1 - Header | Signs of wear or damage caused by improper RTV silicone usage include but are not limited to leaks at the application seam. |
| Signs of Wear & Troubleshooting - Section 2 - Bullet 1 | Areas around the head gasket |
| Signs of Wear & Troubleshooting - Section 2 - Bullet 2 | Above and below the intake manifold gasket |
| Signs of Wear & Troubleshooting - Section 2 - Bullet 3 | Valve cover access panels |
| Signs of Wear & Troubleshooting - Section 2 - Bullet 4 | Oil pan |
| Signs of Wear & Troubleshooting - Section 2 - Header | Engine sealants provide an effective solution when you observe small leaks from a variety of engine components. Some of the most common sources of leakage are: |
| Weight (lb) | 2.5 |
| Width (in) | 2 |
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