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#4010712 - 04/13/19 10:27 PM 2005 Steering Wander
Nuck_Chorris Offline

Registered: 10/25/09
Posts: 15
Loc: Tx USA
I have an 05 p71 that likes to wander at about 75 on the highway.
I have replaced all of the front end parts except the steering rack, the steering shaft campaign has been done , not sure what else it could be.
I have replaced the upper and lower control arms with ball joints and bushings, tie rod ends inner and outer camber bolts installed and had it aligned at ford and at independent shops.shocks and springs havent been done recently and dont know the age.

Edited by Nuck_Chorris (04/13/19 10:28 PM)

#4010716 - 04/13/19 10:35 PM Re: 2005 Steering Wander [Re: Nuck_Chorris]
gDMJoe Offline


Registered: 06/03/03
Posts: 7708
Loc: Timbuk3, MI
How are the tires?

-click the Vic-

#4010824 - 04/14/19 09:55 PM Re: 2005 Steering Wander [Re: Nuck_Chorris]
Nuck_Chorris Offline

Registered: 10/25/09
Posts: 15
Loc: Tx USA
they are about a year old Michelins probably about 1500 miles

#4011006 - 04/16/19 09:54 PM Re: 2005 Steering Wander [Re: Nuck_Chorris]
CrystalPistol Offline
Over the Hill

Registered: 10/16/01
Posts: 2982
Loc: Shenandoah Valley
I was gonna say idler arm but your's has R&P, no idler arm.

How much air in tires? Try 40 front and 44 rear one time.

Also, check rear suspension bushings, etc for wear or rotted rubber.
Toreador Red 2001 Mercury Grand Marquis ... with some minor mods
.__________________________________ _________________.
Though I live up here, I'm a natural borne "neandertal" ... with shots

#4011486 - 04/22/19 11:21 PM Re: 2005 Steering Wander [Re: Nuck_Chorris]
metalpanther Offline

Registered: 12/02/17
Posts: 55
Loc: USA
2nd vote for checking tire pressure.

There was also a recall for steering shafts on 05. Have you had that done?

Edited by metalpanther (04/22/19 11:23 PM)
2005 P71

#4011494 - 04/23/19 12:55 AM Re: 2005 Steering Wander [Re: Nuck_Chorris]
Knight_Stalker Offline
Over the Hill

Registered: 03/27/19
Posts: 1016
Loc: Florida
rack bushings replaced?
2007 Norcea Blue Police Interceptor
Various mods

#4011526 - 04/23/19 02:15 PM Re: 2005 Steering Wander [Re: Nuck_Chorris]
BigMerc96 Offline

I know nothing
Posting Addict

Registered: 06/05/10
Posts: 19868
Loc: I can see Detroit from here!
Could also be from the rear suspension. Worn watts link and rear control arm bushings will cause a case of the wanders.

2006 Audi A6 ~132k miles, stock.
1998 Mercury Grand Marquis LS HPP ~100k miles, slowly acquiring modifications.
1997 Town Car Cartier ~145k miles, Ported Plenum, Gutted Airbox, Contour E-fan Retrofit, Dual exhaust with Magnaflows, cats deleted, MSD Ignition, KYB Gas-A-Justs, P71 front bar, air ride reinstated, Projector retrofit, Caddy 4-note horn retrofit, Wood rim steering wheel retrofit, holistic weight reduction as the parts fall off..
1996 Mercury Grand Marquis GS 117,485mi. R.I.P. 7/14/12 frown

#4013074 - 05/07/19 05:20 AM Re: 2005 Steering Wander [Re: Nuck_Chorris]
SpitShine_PL Offline

Registered: 01/08/19
Posts: 145
Loc: Poznan, Poland
I second BigMerc96, though my Panther has the recirculating ball power steering. However, these cars require full replacement of the front and rear-end suspension parts to drive steadily.

Also, the tire size might be a factor. I got my MGM with the CVPI 17-inch steel rims and 235/55/R17 tires, which are the maximum size for the car and the rims this big. The car simply bounces, floats and is very prone to wandering that is only deleted when the steering pump EVO restricts the flow at highway speeds to make the handling firmer. I noticed that the wandering effect was largely reduced when I switched to smaller winter tires, 225/55/R17. I'm considering letting my summer 235/55/R17's go in favour of 215/50/R17's, they should provide much better handling.

Edited by SpitShine_PL (05/07/19 05:20 AM)
Renamed to "Gassy Grandma" (has dual fuel gas/LPG): '02 Mercury Grand Marquis LS, Silver Frost, : runs, drives and currently with mods in progress.
'96 Chrysler Grand Voyager LE 3.3 V6
'15 Volvo V40 D5 Ocean Race trim coal smoker (least favorite but hella fast DD - former street appearance police car from La Spezia, Italy).
"You obviously have not been introduced to the ASTM Guidance for Profanity Gauging of Technical Services, Addendum#1, American English to Polish Scale Conversion, by which a repair done at a rate of 35 kurwas per 5 minutes means normal performance."

#4013318 - 05/08/19 11:49 PM Re: 2005 Steering Wander [Re: Nuck_Chorris]
Nuck_Chorris Offline

Registered: 10/25/09
Posts: 15
Loc: Tx USA
I have the factory 16 size rear end has been fully upgraded with metco arms and links, i have not done the rack bushings though


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