Will blue devil treatment for rear main work on rope seals?

Asked by GuruN6QJ4 Nov 07, 2019 at 05:54 PM about the 1955 Buick Special

Question type: Maintenance & Repair

Will blue devil oil treatment work on rope seals for rear oil main?

2 Answers

Try it and see, you have nothing to lose but the price of a bottle. At best it is a bandaid.

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