Vehicle Maintenance
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Junior User
Joined: Feb 2006
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Vehicle Maintenance
When is a good time to think about replacing belts/hoses/battery cables/timing chain on our Expeditions? I have 83,000 miles on the 04. What about thermostat? Don't want to wait for failure, and plan to keep veh for another 5+ yrs. Thanks.
Gman
Gman
Senior User
Joined: May 2003
Posts: 128
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From: Northern Alabama
What engine ?? I have a 99 4.6L EB 2x4 EXPY, 150K
Some of my ideas,,, I have done all of these..........
1. Search this website... lots of good info.
2. Batteries usually die at 5 yrs... so now or soon...
3. Coolant flush and chemical cleaner is good... My radiator hoses are good even at 150k, well at least they have not failed... yet....
4. Check your passanger side, rear heater hose to metal pipe connection, these leak into the rear spark plug, just tighten the clamp.
5. Thermostats are about $10, so yes, change it... mine is on the top drivers side of the engine, at the end of the upper radiator hose.
6. Transmission filter and fill is always good, sooner than later. I think mine was about $75 fluid and filter.
7. Check your PVC valve and hose, Mine was really restricted, almost collapsed at the PVC valve, and the rear intake connection.
8. You can spray carb cleaner on the MAF sensor.
9. You can spray cleaner on the butterfly valve, clean vlave and where it touches the tube..
10. Check torque on spark plugs, 5.4L guys have problems with the spark plugs blowing out of engine.....
11. Lube all the hinges.
Some of my ideas,,, I have done all of these..........
1. Search this website... lots of good info.
2. Batteries usually die at 5 yrs... so now or soon...
3. Coolant flush and chemical cleaner is good... My radiator hoses are good even at 150k, well at least they have not failed... yet....
4. Check your passanger side, rear heater hose to metal pipe connection, these leak into the rear spark plug, just tighten the clamp.
5. Thermostats are about $10, so yes, change it... mine is on the top drivers side of the engine, at the end of the upper radiator hose.
6. Transmission filter and fill is always good, sooner than later. I think mine was about $75 fluid and filter.
7. Check your PVC valve and hose, Mine was really restricted, almost collapsed at the PVC valve, and the rear intake connection.
8. You can spray carb cleaner on the MAF sensor.
9. You can spray cleaner on the butterfly valve, clean vlave and where it touches the tube..
10. Check torque on spark plugs, 5.4L guys have problems with the spark plugs blowing out of engine.....
11. Lube all the hinges.
