Car pulls to side on hard acceleration


jaxgt

GT Owner
Mark IV Lifetime
Jul 12, 2006
2,794
UPDATE: Car pulls to 1 side only on hard acceleration

Gents-
Had my GT out today cruising in nice warm weather. Have good Bridgestones on it.
Car tracks perfectly straight down the highway while cruising at 60-80mph.
However, with moderate-harder acceleration, car noticeably pulls to the left.
Definitely feels a bit off. Only happens with moderate plus acceleration.
Weird - Any thoughts appreciated.

Thanks!
 
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twobjshelbys

GT Owner
Jul 26, 2010
6,053
Las Vegas, NV
Tire pressure?
 

viva gt

GT Owner
Sep 15, 2010
419
toronto canada
1 side broken axle bolts?
 

jaxgt

GT Owner
Mark IV Lifetime
Jul 12, 2006
2,794
Pressures good. Replaced half shaft bolts back in the day. Odd as only when get on throttle, otherwise tracks straight even with hands off wheel
 

thegtguy

*Supporting Vendor* GT Owner
Apr 20, 2006
545
MI
Tire pressures will do this but if you checked them then that's not it. More than likely rear toe links. Seen and replaced many. The inner side of the joint (ball and socket) wears and causes this.
New toe links, good 4 wheel alignment, and should be good to go.


If the axle bolts broke and the half shaft became dislodged the car won't move under its own power. We still see original bolts in cars every now and then.
 
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shesgotlegs

GT Owner
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Jul 20, 2006
1,181
Mine did the same until Rich did what's he's suggesting you do :thumbsup
 

CJ428

Farm GT
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May 21, 2008
1,473
NJ
Mine did the same until Rich did what's he's suggesting you do :thumbsup

Me to
 

STORMCAT

GT
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May 25, 2006
7,549
Ft. Lauderdale
I've seen this with tire pressure also , double check again maybe with a different gauge..
 

PeteK

GT Owner
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Apr 18, 2014
2,268
Kalama, Free part of WA State
Ditto what Rich said. I haven't had this experience in a GT yet, but I have had it in other cards with similar rear suspensions. The links get worn and the rear toe changes on acceleration, leading to "pushing" it slightly off to one side. I'll bet it's even more noticeable if you get on the power in a turn, and it probably feels like the rear is sliding a bit.
 

33Bravo

GT Owner
Mark II Lifetime
Nov 3, 2006
688
Minneapolis, MN
How many miles?
 

ROCK

GT Owner
Jul 10, 2006
412
Miami
Subscribed.
Mine does the same, the car has 3,000 miles. I thought I was spinning the tires but then I tried at 70mph and still pulled to the left.
 

jaxgt

GT Owner
Mark IV Lifetime
Jul 12, 2006
2,794
Thanks so much for tips. Will have someone look at toe links shortly.
Anyone have a part# in case I need them?
 

Xcentric

GT Owner
Mark II Lifetime
Jul 9, 2012
5,213
Myakka City, Florida
Guys are calling this a "pull."

Isn't it actually a "push?"

If it's the rear toe links, I don't think it will cause a pull on the steering wheel (as would for example a low front tire, front-end misalignment, FWD torque steer).
 
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PL510*Jeff

Well-known member
Mark IV Lifetime
Le Mans 2010 Supporter
Nov 3, 2005
4,876
Renton, Washington
Guys are calling this a "pull."

Isn't it actually a "push?"

If it's the rear toe links, I don't think it will cause a pull on the steering wheel (as would for example a low front tire, front-end misalignment, FWD torque steer).
yes the rear will steer the front when the ball joint on the end link is broken, and it is not always visible. Been there, done that.
 

fjpikul

GT Owner
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Le Mans 2010 Supporter
Jan 4, 2006
11,475
Belleville, IL
Jax you can order direct from England. Follow David jones' link or you can have GTGuys get it for you. Spirit had this done at the rally in Detroit.
 

Pete S.

GT Owner
Mark IV Lifetime
Aug 18, 2006
529
MA
I felt the same drifting to the left during smooth but hard acceleration at higher speeds and after reading this thread and speaking with Rich (GTG) ordered a set and am in the closing stages of putting the passenger side back together. Here are my notes and some photos:
http://1fordgt.com/2017/RearToeLink/RearToeLink2005FGT.htm
 

Beach-GT

GT Owner
Mark II Lifetime
May 8, 2006
887
Seminole Florida
That's good info. I need to change oil and inspect everything while I have the rear diffuser off. How much do these links cost?
 

NorthwoodGT

GT Owner
Jun 12, 2009
1,215
Michigan
The rear toe link PN is 4G7Z-5B551-A. PM if you need any. I have them in stock
 

shesgotlegs

GT Owner
Mark II Lifetime
Jul 20, 2006
1,181
I felt the same drifting to the left during smooth but hard acceleration at higher speeds and after reading this thread and speaking with Rich (GTG) ordered a set and am in the closing stages of putting the passenger side back together. Here are my notes and some photos:
http://1fordgt.com/2017/RearToeLink/RearToeLink2005FGT.htm

Well done. Thanks for posting these.
 

jaxgt

GT Owner
Mark IV Lifetime
Jul 12, 2006
2,794
Presumably, one needs to redo 4 wheel alignment after replacing these?
I spoke to one shop in my town who does race like cars. they said need to get them a camber shim kit for front and rear?