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Old 04-18-2014, 02:52 AM   #1
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Default Common failures

Taking a long trip Sunday for an entire week, anyone know of common failures between 100k-120k miles? Alternator etc...? 08 screw 4x4 5.4
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Old 04-18-2014, 08:57 AM   #2
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They do have common problems but its hard to put a mileage estimate on them
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Old 04-18-2014, 02:25 PM   #3
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Taking a long trip Sunday for an entire week, anyone know of common failures between 100k-120k miles? Alternator etc...? 08 screw 4x4 5.4
The only 2 things that have failed on my 08 was an Idler pulley and my over 5 year old battery...good luck on your trip.
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Old 04-18-2014, 02:30 PM   #4
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Hi.

Inspect - and replace if in any doubt - yer FPDM. And carry a spare one.

May also want to install a fresh fuel filter and a new serpentine belt.

Also check to see that you can easily remove and reinstall the spare ( test the access hole lock, winch and condition of the spare. ). Good time to do it as you need to drop the spare to see the FPDM anyway.

Do a scan of yer PCM to pull any codes - including possible pending ones - and get those addressed before you leave.

Good luck & safe trip !

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Old 04-18-2014, 03:47 PM   #5
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Spare Belt. FDPM. Idler Pulley. COPs. Transmission
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Old 04-18-2014, 10:36 PM   #6
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Thats odd...I have 174k and have not had any problems with an FPDM.
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Old 04-19-2014, 07:12 AM   #7
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Thats odd...I have 174k and have not had any problems with an FPDM.
I made it to 189k before mine crumbled in half.
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Old 04-19-2014, 08:30 AM   #8
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Spare Belt. FDPM. Idler Pulley. COPs. Transmission
All depends on where u live and how u treat your truck. If u live up north they are prone to go early due to all the salt on the road. Same thing anywhere if u mud ride a lot. Mine had 190000 before mine went.
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Old 04-19-2014, 09:36 AM   #9
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Fpdm ?
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Old 04-19-2014, 10:24 AM   #10
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Fuel Pump Drive Module
Mounted above the spare tire. It has aluminum body and is mounted to steel frame. Electrolysis eats the aluminum case and exposes the electronic module.
Take a look and if it is damaged, get a new one from Amazon or parts store and replace before it fails.
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Old 04-19-2014, 10:24 AM
 
 
 
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