1 Automotive Service & Repair Compounds R. Bortignon

2 The following slides highlight chemicals commonly used in high school automotive shops. There are 2 reasons for this slide show… 1) Practical: these are items that should be kept in your automotive shop as they are used extensively. 2) Safety: both you & your students should follow the manufacturer’s directions for using these products safely. eye protection eye protection hand/skin protection hand/skin protection respiratory protection respiratory protection fire prevention fire prevention

3 Penetrating Oils helpful on stubborn bolts/nutshelpful on stubborn bolts/nuts

4 Anti-Seize (Never-Seize) Compounds excellent for metal-to-metal contact where parts tend to corrodeexcellent for metal-to-metal contact where parts tend to corrode  exhaust manifold bolts, oxygen sensor threads, caliper contact points etc.

5 Cleaners

6 Locking Fluids (Loctite) Blue: can be removed with hand tools Red: apply heat to remove Green: apply heat to remove

7 Adhesives weatherstrip adhesive: great for holding gaskets in place during assemblyweatherstrip adhesive: great for holding gaskets in place during assembly epoxy: helpful to have in a shop to repair countless itemsepoxy: helpful to have in a shop to repair countless items

8Sealants silicone: must be O2 sensor compatiblesilicone: must be O2 sensor compatible  use where 2 gaskets meet  sometimes used in place of a gasket  needs 24 hours to cure before adding oil or coolant Form-A-Gasket: excellent companion for paper & cork based gasketsForm-A-Gasket: excellent companion for paper & cork based gaskets  use with water pump gaskets, oil pan & valve cover gaskets, timing cover gaskets, cylinder head & water pump bolt threads etc.

9 Miscellaneous Lubricants grease cartridge & tub that can be used with wheel bearings & chassis (steering & suspension) partsgrease cartridge & tub that can be used with wheel bearings & chassis (steering & suspension) parts caliper lube: use on caliper float points where metal slides on rubbercaliper lube: use on caliper float points where metal slides on rubber oiling can with engine oil to lube door hinges etc.oiling can with engine oil to lube door hinges etc.

10 Electrical silicone grease: use on spark plug wire boots to prevent stickingsilicone grease: use on spark plug wire boots to prevent sticking dielectric compound is used on heat sinks on electronic components such as diode bridges, voltage regulators & ignition modulesdielectric compound is used on heat sinks on electronic components such as diode bridges, voltage regulators & ignition modules

11 Metal Repair Compounds Makes long-lasting repairs to high-temp, low pressure exhaust leaks from the exhaust manifold to the muffler. Gets stronger with heat up to 2000°F. One part, water-based ceramic is safe and easy to use. Suggested Applications: Cracked and broken exhaust manifolds, headersMakes long-lasting repairs to high-temp, low pressure exhaust leaks from the exhaust manifold to the muffler. Gets stronger with heat up to 2000°F. One part, water-based ceramic is safe and easy to use. Suggested Applications: Cracked and broken exhaust manifolds, headers A 2-part casting repair compound for use on aluminum parts with temperatures up to 800°F (427°C). Developed specifically to repair pin holes, warps and cracks in aluminum castings and molds. Contains no asbestos or volatile organic compounds. Suggested Applications: Aluminum engine parts such as cylinder heads and intake manifoldsA 2-part casting repair compound for use on aluminum parts with temperatures up to 800°F (427°C). Developed specifically to repair pin holes, warps and cracks in aluminum castings and molds. Contains no asbestos or volatile organic compounds. Suggested Applications: Aluminum engine parts such as cylinder heads and intake manifolds