Hard steering/memory steer - Ford Powerstroke Diesel Forum
 
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post #1 of 9 Old 10-06-2013, 08:51 AM Thread Starter
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Hard steering/memory steer

My steering suddenly started sucking yesterday...and it also seems to bind on me randomly when I turn left...I am thinking this could be either a

1) camber issue/alignment issue

2) steering gearbox problem

3) pump problem

Flushed my PS fluid when got my truck, mobil 1 with a magnefine inline filter is in there at the moment. Steering seems to have plenty of power until a certain spot turning left...then it acts like it's hitting the stop early and it binds...my brakes also seem weaker than usual also...I am slowly adjust my steering gear looser to see if that helps...it does somewhat...could my gearbox be trashed and putting extra pressure on the pump causing the brakes to be weaker? Or is the pump on its way out... Hard to keep the truck in a straight line and the wheel definitely dosent like returning to center... All other components ( brakes, bearings, u-joints, tie rods, are tight and look great...

Any one else deal with this? 08 job 1...

2008 F250 XLT CCSB- 90k, 5R110W, b&w hide-a-ball, DIY coolant filter, final charge, dieselsite boots, xrt pro, CAI, SGII, egt gauge, DIY egr cooler blocked/bypassed, viper alarm/ remote start, P/S filter
06 VW Jetta TDI- all options, 100k, stock for now...catching up on maintenance...
04 Triumph Thruxton, cr special carbs, TPUSA cams, MAS side-covers, Lossa stubby exhaust, pingel petc*ck, etc...

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Last edited by rt_hawk; 10-06-2013 at 09:02 AM.
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post #2 of 9 Old 11-27-2013, 09:51 PM Thread Starter
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Replaced gearbox, flushed with mobil 1, added napa PS filter (magnetic with screen). All Is well! Whole new truck again! I can hold it going 80-85mph all day long on the interstate with just a finger or two on the wheel...same goes for cornering, it's so much easier now...no more stupid constant small correcting motions followed by even more small correcting motions...my truck gradually got so bad on me I failed to notice how horrible my steering was. It was pretty stiff when I bought it, a flush did help for a while...then one day turning left wasn't a option...

2008 F250 XLT CCSB- 90k, 5R110W, b&w hide-a-ball, DIY coolant filter, final charge, dieselsite boots, xrt pro, CAI, SGII, egt gauge, DIY egr cooler blocked/bypassed, viper alarm/ remote start, P/S filter
06 VW Jetta TDI- all options, 100k, stock for now...catching up on maintenance...
04 Triumph Thruxton, cr special carbs, TPUSA cams, MAS side-covers, Lossa stubby exhaust, pingel petc*ck, etc...

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post #3 of 9 Old 11-28-2013, 07:52 PM
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Seized axle joint or ball joints. Could even be steering stabilizer.

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post #4 of 9 Old 11-29-2013, 03:08 AM Thread Starter
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I guess after I replaced my gearbox all my issues went away...so I am assuming that was my issue...how do you check u-joints though? I can spin them freely by hand, and they feel smooth with no binding, how would they feel if something was wrong? I already replaced my stabilizer and checked balljoints too...they were tight.

2008 F250 XLT CCSB- 90k, 5R110W, b&w hide-a-ball, DIY coolant filter, final charge, dieselsite boots, xrt pro, CAI, SGII, egt gauge, DIY egr cooler blocked/bypassed, viper alarm/ remote start, P/S filter
06 VW Jetta TDI- all options, 100k, stock for now...catching up on maintenance...
04 Triumph Thruxton, cr special carbs, TPUSA cams, MAS side-covers, Lossa stubby exhaust, pingel petc*ck, etc...

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post #5 of 9 Old 11-29-2013, 06:59 PM
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I turn the wheel to full lock with the front wheels suspended. Lock each hub and spin the wheel. You'll feel it bind/snap if the joints are seized up.

It can also be in the steering gear itself, but it's a lot more common for the balljoints and axle joints to seize up.

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post #6 of 9 Old 11-29-2013, 07:03 PM
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He fixed His truck so not sure what your having Him check ?

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post #7 of 9 Old 11-29-2013, 07:52 PM
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Quote:
Originally Posted by rt_hawk View Post
I guess after I replaced my gearbox all my issues went away...so I am assuming that was my issue...how do you check u-joints though? I can spin them freely by hand, and they feel smooth with no binding, how would they feel if something was wrong? I already replaced my stabilizer and checked balljoints too...they were tight.
Answering bolded question.

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post #8 of 9 Old 11-30-2013, 08:52 AM Thread Starter
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Thanks bill angry hillbilly, I appreciate the help! I'll have to get the front end up and check them out too. I am fairly certain they are ok...and I keep them greased regularly...someone else told me my u-joints could be my steering issue as well but after I got my old steering box out and realized how hard the shafts moved I figure my gearbox was trashed...I figured it needed a PS flush when I bought it but I got there too late...

2008 F250 XLT CCSB- 90k, 5R110W, b&w hide-a-ball, DIY coolant filter, final charge, dieselsite boots, xrt pro, CAI, SGII, egt gauge, DIY egr cooler blocked/bypassed, viper alarm/ remote start, P/S filter
06 VW Jetta TDI- all options, 100k, stock for now...catching up on maintenance...
04 Triumph Thruxton, cr special carbs, TPUSA cams, MAS side-covers, Lossa stubby exhaust, pingel petc*ck, etc...

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post #9 of 9 Old 11-30-2013, 09:00 AM
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Usually if the axle joints are seized up you'll just be rolling down the road and your truck will just suddenly CHANGE LANES.

It's very exciting.

From time to time the axles will turn even if the hubs aren't locked, and will push the steering knuckle to one side or the other as it rotates, if the joint is seized off-center.

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There are strange things done 'neath the midnight sun by the men who moil for gold.
The arctic trails have their secret tales that would make your blood run cold.
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