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Want to replace washer on timing chain tension bolt due to oil leak but am afraid it involves removing upper timing chain cover based on research into this: Upon removing tension bolt the tension spring and ball bearing are under great tension; replacing spring and ball requires adding oil to upper timing area until it oozes out bolt hole. Does this require removing timing cover to add said oil ?
Afraid I’m missing something. Appreciate any help. Thanks

I replied before your second post in this forum, see General Conversation.