Compression Ignition Addict
Join Date: May 2009
Location: Regina, Saskatchewan Canada
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I have always had the same problem with mine. Cannot turn my 35's at idle at a stop. Makes it very difficult to try and get in and out of parking stalls. My 91 4runner with 40's and the stock box and pump turns better at a stand still and idle then the superduty does.
I thought it was maybe due to the PS fluid being old and dirty. I had 102,000km's on the original fluid. I also noticed that my brakes were a little on the "squishy" side and not as effective as my buddies new 09HD with 38's.
So, while it was in for a tranny flush, my buddy also flushed my PS circuit. He said the oil was very dark his exact words were "If this was fluid coming out of a transmission-you would be replacing your transmission today".
Anways, he flushed it for me and I have noticed no noticeable difference in the steering response at idle. However, I have noticed that my brake pedal is considerably "firmer" and the "squishy" is gone.
Now at the dealership its a $200 flush...but I am sure you can do it yourself by disconnecting your return line, plugging the line on the box and pouring new fluid in while the old is pumped out of the return line. He said he used about 4 litres of fluid and you don't have to use the Mercon SP for this. if memory serves me correctly, ford calls for Mercon V or equivalent.
In addition, he told me that there may be a TSB out regarding the crappy stearing so I will let you all know when I hear back what the verdict is.
My Little Truck
2008 F350 FX4 Superduty Fully Loaded
6" Frankenstein Lift
20" Jessie James Rims
35" Toyo MT
Chrome Steps and Box Rails
Jackrabbit Sliding Bedcover
Eclipse Navigation/DVD with Rear TV's
SCT9625OR , Powerstroker67 DPF/DOC and 4" MBRP
My Big Truck
1991 Toyota 4runner
Solid Axle Swap
19" over Stock using F150 leaf springs
D60 Front 14BFF Rear
Detroit Locker up front, Mini Spool in the rear
39.5" TSL on Custom Hummer Beadlocks
Custom Baha Fenders