Question about 2004 Ford F150
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Posted on Jan 02, 2017
First thing is to make sure you chock the front tires so the truck will not roll. Raise the rear end and set it on jack stands. Put the transmission in Neutral and make sure the parking brake is off. Remove the rear tires and disassemble the brakes on the side with the leaking seal. Place a drain pan under the rear differential and remove the cover. Remove the differential shaft lock bolt. You will need to turn the drive shaft by hand to access the bolt. It will be on the right side off the spider gear housing. Only use a 5/16 or 8mm 6 point box end wrench to remove the bolt. After you remove the bolt reach on the top of the spider gear housing and push the differential lock shaft down to remove it. Make sure the spider gears do not rotate after you remove the shaft. If they do you will need to realign everything to reinstall the lock shaft. Push the axle shaft in enough to remove the "C" clip from the tip of it. The axle will now slide out of the rear end. You can use the tip of the axle shaft to remove the axle seal. If you're changing the bearing as well you will need a slide hammer with axle bearing adapters to remove it. You can use a socket and hammer to install the new bearing and seal. Be careful not to damage the bearing and seal. I recommend packing grease in the back side of the seal. This helps prevent the spring on the seal lip from coming off. Assembly is the reverse. Clean off all the gear oil from the differential cover and the axle. You can use RTV as a gasket if the OEM gasket is damaged. Fill the rear end with new gear oil of the proper type. Refer to your owner's manual.
Posted on Jun 05, 2010
The question I would ask is why do you want to flush these? Both are sealed systems and should not need to be flushed normally unless a contaminant has been introduced or you have severely overheated the brakes and burned the brake fluid which is very rare.
A brake flush can be performed when you get your next brake job and will cost you less because they are already working on the brake system. I have a Dodge Caravan with over 200k miles which has never had the power steering flushed and only flush the brakes about every 100k when I am replacing the brakes.
Having said that the cost would be in the neighborhood of $65-90 for each plus fluid cost. (the high end for the brakes because there are 4 wheels and 4 lines whereas the power steering system is small in comparison)
Check the owners manual and see what they recommend and if you want to proceed, check around for a shop that is AAA approved and has ASE certified mechanics and the correct equipment to do the job correctly. Good luck!
Posted on Jun 27, 2011
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