Question regarding high mileage 4 valve Navigator ???

bhickmott

Active LVC Member
Joined
Oct 9, 2004
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Location
Newfields, NH
Hi Guys

I have an oppportunity to by a 2004 Navigator Ultimate with 140,000 miles for short money. Does anyone have experience or knowledge of the longevity of the 5.4 DOHC 4 valve motor. The 4R100 transmission seems bullet proof, but I'm not sure about the DOHC engine. Any replies with high mileage experience, good or bad, would be greatly appreciated.

Thanks,

Bill Hickmott
bhickmott@ironworksep.com
 

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