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So...what is the proper procedure for changing out the power steering fluid on my '03 or any '99-'04 V10?
I was looking at the reservoir and there are two hoses. A large and a small...and was thinking that the larger hose is the return. Is that correct?
Put the front-end on jack stands with the tires off the ground. Then removing the return hose and having someone turn the steering wheel back and forth with the engine off cycling the old fluid out...while I pour new fluid in the reservoir and keeping it topped off...making sure no air gets in the system. When new clean fluid starts coming out...all done. Would that work???
Any tips, tricks, or suggestions...very welcome!
2012 FORD F250 SD CC 156" Lariat FX4 6.2L BOSS 4x4 4.30s
2003 F250 SD SC 142" XLT FX4 V10 Auto 4x4 3.73s -- Traded
1976 F150 LWB Custom 4x4 390FE NP435 3.50s
What I have done when I changed my tranny fluid is this.
Get a turkey baster, remove all the fluid from the PS reservoir that you can.
Fill with the new fluid of your choice, I used my syn tranny fluid.
Start up vehicle and go up/down drive way turning tires back and forth to mix fluids.
Repeat this 3 times.
You will use @ 4 qts of fluid if I remember correctly.
2001 TRed F250 Lariat CC SB,4x2, Camper Pkg., V10, Auto, 3.73LS, Heated seats, Bed X-tender,Ford Flaps,Catch-all,RollNLock. 7200# Me, Wife, 2 teens, gas and gear for weekend.
I don't remember exactly, but the "resevoir" is a gravity feed setup to the pump, isn't it? Kinda like a dry-sump.
So, the small hose is a vent/bleed line, just like a radiator resevoir would have on it, if I recall correctly.
- art k. - Moderator for the Superduty, V10, 6.2L and FE forums
'13 Taurus SHO 3.5L Ecoboost w/Perf Pkg
'01 F250SD SC SB XLT V10 4x4 Volant CAI Hedman headers 5-star custom tunes on SCT X3
'97 Cougar XR7 30th Anniv Edition 4.6L
'74 F250 Highboy FE390 deceased! I've been wrong before, I'll be wrong again. Just wait and see. ®
Ok fellow V10'ers...I forgot I had a Service Manual (duh!)...so here is a Step-by-Step for "FLUSHING" the Power Steering for '99 - '04 V10 2v.
Originally Posted by FORD Service Manual
WARNING:Do not mix oil types. Any mixture or any unapproved oil can lead to seal deterioration and leaks. A leak can ultimately cause loss of fluid, which can result in a loss of power steering assist.
Remove the fuel pump fuse to prevent engine starting.
Remove the bolt. Position the evaporative emissions canister (EVAP canister) (9D653) out of the way.
Disconnect the power steering return hose. Plug the reservoir fitting.
Attach an extension hose between the power steering return hose and an empty container.
Raise the front wheels off the floor.
Fill the reservoir.
CAUTION: Do not crank the engine for more than 15 seconds at a time. Allow the starter to cool for 1 minute before cranking again. Premature starter failure can occur. CAUTION: Do not hold the steering wheel against the stops for more than three to five seconds at a time. Damage to the power steering pump could occur.
Turn the steering wheel from stop-to-stop while cranking the engine until the fluid exiting the power steering return hose is clear of all contamination and foreign material.
Fill the reservoir.
Lower the vehicle.
Disconnect the extension hose from the power steering return hose. Remove the plug. Attach the power steering return hose to the reservoir.
CAUTION: Do not overfill the reservoir.
Fill the reservoir.
Install the evaporative emissions canister and the bolt.
Install the fuel pump fuse.
CAUTION: Do not hold the steering wheel against the stops for more than three to five seconds at a time. Damage to the power steering pump could occur.
Start the engine and turn the steering wheel from stop-to-stop.
NOTE: If the power steering system is noisy and accompanied by evidence of aerated fluid it will be necessary to purge the power steering system.
Check the power steering fluid level.
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