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- 3. Connect the spark tester to one end of the spark plug wire, and touch the other end to the engine block or a metal surface.
- The primary function of the main bearing oil seal is to create a barrier between the rotating shaft and the stationary engine block. This barrier prevents oil from escaping from the engine's main bearings, which are responsible for supporting the weight of the pistons and connecting rods. Without an effective oil seal, oil would leak out, leading to reduced lubrication and ultimately causing severe damage to the engine.
- PTFE Lip seals
- PTFE Lip seals