ABS LIGHT/MisMatched Tires?
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Freshman User
Joined: Jan 2006
Posts: 40
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ABS LIGHT/MisMatched Tires?
Hey,
Sometime ago I posted about my brother's problem with his 04
F150 ABS light.
For 2 years he was running Good Year's Mud grip 265/70/17,with no problem
with the ABS light.
Put once he hooked up to his new travel trailer and plug into the 7way plug,with Elect.breaks trouble started.
He took the truck to two different ford dealers,and had the ABS,checked out.
Both Ford Dealers told him it was the Mismatched tires.
He has the P235/70/R17 on the front,and 265/70/R17 on the back.
If this was true why didn't the ABS light come on over two years ago,
when he first put on the different tires on?
He has already spent $100.00 on the light.
Is this Fords way out of fixxing the problem?
Sometime ago I posted about my brother's problem with his 04
F150 ABS light.
For 2 years he was running Good Year's Mud grip 265/70/17,with no problem
with the ABS light.
Put once he hooked up to his new travel trailer and plug into the 7way plug,with Elect.breaks trouble started.
He took the truck to two different ford dealers,and had the ABS,checked out.
Both Ford Dealers told him it was the Mismatched tires.
He has the P235/70/R17 on the front,and 265/70/R17 on the back.
If this was true why didn't the ABS light come on over two years ago,
when he first put on the different tires on?
He has already spent $100.00 on the light.
Is this Fords way out of fixxing the problem?
Cargo Master
Joined: Jul 2003
Posts: 3,358
Likes: 250
Is your brothers truck a 2wd or 4wd? If it's a 2wd, having different size tires shouldn't cause an ABS problem, I don't even think having mismatched tires on a 4wd will cause an ABS problem all though it isn't good for the transfer case when 4wd is engaged. It sounds to me that the problem has something to do with the trailer's electric brakes since it happened after hooking the trailer up for the first time.
Elder User
Joined: Jun 2006
Posts: 924
Likes: 0
From: Fuquay Varina,NC
yes, if you are running different size tires front to rear, you WILL have ABS issues.
in the front, there is an ABS ring on your brake rotor. In the rear, it is in the differential. The ABS system reads the speeds of the 2 sensor rings, and if they are moving at different speeds when stopping, it thinks the tires are losing traction. Your brother needs to run the same size tires front and rear, or his truck could be unsafe if the ABS goes haywire. not just if it doesnt work, but if it false triggers, it could be just as dangerous
in the front, there is an ABS ring on your brake rotor. In the rear, it is in the differential. The ABS system reads the speeds of the 2 sensor rings, and if they are moving at different speeds when stopping, it thinks the tires are losing traction. Your brother needs to run the same size tires front and rear, or his truck could be unsafe if the ABS goes haywire. not just if it doesnt work, but if it false triggers, it could be just as dangerous
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