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70 Posts
I sent in my 2003 4.4 for a vanos gear swap after running on bad seals for about a year. Now the mechanic says I need to replace my driver side head. Hes basically saying the bad vanos affected the cams and wore them down. He says its better to go ahead and swap out the entire head instead of piecing it together. How is this possible?
Can someone explain the consequences of running on bad vanos seals? It seams the only complaints are the vanos groan on start up and diesel noise upon acceleration. What exactly happens to the gear when the seals fail and how does it effect the rest of the motor?
Can someone explain the consequences of running on bad vanos seals? It seams the only complaints are the vanos groan on start up and diesel noise upon acceleration. What exactly happens to the gear when the seals fail and how does it effect the rest of the motor?