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**Grumpy old man** · 08-13-2018, 07:50 AM

Here is an explanation of why you apply grease to the back of the crank seal , It's just a safety measure but if the spring does come off when your replacing the seal with the timing cover on the engine it eventually will end up in your oil pan and nobody wants pieces of spring steel getting sucked up into your oil pump . I've seen it happen . This is why I pull timing covers to replace crank seals .

https://www.youtube.com/watch?v=WOfOHMI6Wnc

https://www.youtube.com/watch?v=1MzHlqQFHcs

08-13-2018, 07:50 AM	#28
Grumpy old man Senior Member Join Date: Dec 2013 Location: Gods country East,Tn Posts: 8,545	Re: Harmonic b Here is an explanation of why you apply grease to the back of the crank seal , It's just a safety measure but if the spring does come off when your replacing the seal with the timing cover on the engine it eventually will end up in your oil pan and nobody wants pieces of spring steel getting sucked up into your oil pump . I've seen it happen . This is why I pull timing covers to replace crank seals . https://www.youtube.com/watch?v=WOfOHMI6Wnc https://www.youtube.com/watch?v=1MzHlqQFHcs Last edited by Grumpy old man; 08-13-2018 at 08:04 AM.