If you recently changed the coolant I bet there is a large air bubble in the heater core. What happens is that when driving down the highway enough coolant is forced through the line and the heater cools. When the engine slows down there is not enough pressure to push the coolant through the...
For what it's worth, I just looked and my 07 4.6L has a 20PSI cap. It's the original cap from the factory. So far no radiator leak issues but I only have 66K.....
I tow my motorcycle clubs 24 ft Haulmark trailer locally around Dallas. It's all my V8 can handle because of the 96 inch width and it's not a V-nose so that doesn't help either. We bought this trailer 6 yrs ago and it's held up really well. We have probably put 40K miles on it and maybe more...
I think your PCM could use the latest program. My suggestion would be to take it to your local Ford dealer and explain the 'driveability issue' you are experiencing and ask them if they will check to see if you have the latest PCM version. Explain that you recently purchased the truck and you...
mrmarvyn, take your Trac to the Ford service department and explainthat you are having an issue where you feel a hard downshift or bump feeling coming fro your vehicle. The tell them that you have information that the issue is resolved in TSB 08-24-4. I can assure you they will know exactly what...