Question about 2002 Oldsmobile Alero

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Changed front wheel bearings hub now abs service light and trac light come on what is causing this do i need to replace rear wheel bearing hub

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When they replaced the wheel bearings there are sensors connecting to the hub I would make sure that the sensors are connected and that there is no corrosion on the connectors.

Posted on Mar 14, 2011

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2wd front wheel need to replace bearings or hub assembly which is best


A Front Wheel Drive Vehicle Can Have Two Types Of Rear Wheel Bearings: Serviceable Bearings, Or Nonserviceable, Sealed Bearings. When Sealed Bearings Fail, The Bolts Holding The Bearing And Hub To The Axel Or Control Arm Must Be Removed. When Installing The New Bearing Assembly, Torque The Bolts To Specifications.Some Manufacturers require The Use Of New Fasteners When Rear Bearings And Hubs Are Replaced.

When A Serviceable Wheel Bearing Is Used, The Bearing Can Be Disassembled And Packed With Grease.It Is Serviced Like A Front Wheel Bearing On A Rear-wheel-Drive-Car.

Apr 09, 2010 | 2003 Ford Explorer Sport Trac

2 Answers

Abs light and brake light are on. also service


You can test the wheel speed sensors by unhooking the connectors and put ohmeter test leads on the sensor terminals should read around 1100-1600 ohms also the connectors themselves were bad for wires breaking inside the insulation at the connectors from flexing when the wheel is turned back and forth..Note excessive wheel bearing noise from bad bearings have also been known for interferring with clean abs signal also causing abs codes good luck

Nov 06, 2009 | 2004 Pontiac Grand Am

2 Answers

How do i change wheel speed sensor on a 2001 grand am se


2001 Pontiac Grand Am 2.4L SFI DOHC 4cyl

Vehicle Speed Sensor - Location:
The speed sensors are built right into the wheel bearings of your vehicle, at the front and rear locations. They work both with the anti-lock brakes and with the traction control systems on the vehicle.

Removal & Installation
Front
The front wheel speed sensor is part of the hub/bearing assembly. Refer to Wheel Hub and Bearing Replacement in Front Suspension for service procedures.
Rear
The rear wheel speed sensor is part of the hub/bearing assembly. Refer to Wheel Hub and Bearing Replacement in Rear Suspension for service procedures.

I hope help you with this (remember rated this help) Have a nice day, good luck.

Sep 23, 2009 | 2001 Pontiac Grand Am SE

2 Answers

ABS Light is on, and TRAC off Light on. MIDAS


Either someone damaged a sensor for the ABS/TRAC control, or the replacement parts are not compatible with the ABS system.

Sep 16, 2009 | 1999 Pontiac Grand Prix

2 Answers

TURN RT APPLY BRAKES ABS/TRAC OFF COMES ON


bad front bearing/abs sensor The sensor is part of the bearing,or the wires are bad so that when you steer it open circuts and thinks the wheel is stopped. need to read codes or use a scan tool with live data to see which wheel the computer thinks is stopping. then look at that wheel for problems

Apr 25, 2009 | 2002 Pontiac Grand Prix

3 Answers

ABS, TRAC OFF, and service vehicle soon light are all on. Mechanic put new wheel bearing and replaced wires that had been coroded. A week later the lights are all back on.


Sounds exactly like the problem I had on my 2003 grand am. I can almost guarantee you have a bad wheel bearing. The change in pressure on the bearing from turning causes the noise to change. The wheel speed sensor is also integrated into the wheel bearing hub assembly which is sending the signal to turn on your brake light.
I would change both front hub assemblies. Ran around $300 for me to do both and put them on myself. Its a very simple job to do yourself if you have the right tools. Make sure you have a "pulley puller" to pull the hub assembly off the CV shaft. You should be able to rent one from a local parts store like Autozone if you don't know someone that already has one.

Mar 26, 2009 | 2004 Pontiac Grand Am

1 Answer

2005 impala


All the hubs on the car have the abs sensor built into the hub. The abs system has to be re set to read the sensor . The rear hub bearing if noisy should be replaced. There are wiring harnesses that connect to the abs sensor. The harnesses to each of the abs sensor should be replaced.

Mar 18, 2009 | 2005 Chevrolet Impala

2 Answers

Pontiac grand am Gt 2000 v6


i had the same problems. replacing the wheel bearings and front hubs fixed it

Oct 21, 2008 | 2001 Pontiac Grand Am SE

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