Question about 2000 Chevrolet Blazer

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How to repair the sensor on the 4 wheel drive. The 4 wheel drive isn't working.

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What sensor r we talking about?...

Posted on Feb 05, 2010

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4 wheel will not work. the selector switch will show it is in but front tires will not engage No messages on control center


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Jan 21, 2016 | 2008 Chevrolet Tahoe LTZ

1 Answer

1995 dodge 4x4 1500 ram speedometer quit working , won't go into overdrive , the 4 wheel drive will not en gauge , I have replace the speed sensor on the rear end and replace the speed sensor on the t


The sensor in the differential is for the ABS. Did you replace the sensor for the speedometer in the end of the transmission?
And is the check engine light on ?

Jul 04, 2013 | Cars & Trucks

1 Answer

All wheel drive isn't working, 4 wheel drive is


I think im having the same problem. I just bought a 2000 grand laredo selec trac 100,000 miles,in full time4wd front drive shaft spins but jeep dont move in part time and lo 4wd it will move but still in 2wd?????? any answers

Mar 06, 2013 | 2004 Jeep Grand Cherokee

1 Answer

P0321 and p0322 on a 02 passat


Trouble Code: P0321

Ignition/Distributor Engine Speed Input Circuit Range/Performance

Possible Causes:


Engine speed sensor has failed or is damaged.ECM has failed.Sensor wheel is damaged or doesn-t fit properly.Sensor wheel spacer isn-t seated properly.


Trouble Code: P0322

Ignition/Distributor Engine Input Circuit No Signal

Possible Causes:


Engine speed sensor has failed or is damaged.ECM has failed.Sensor wheel is damaged or doesn-t fit properly.Sensor wheel spacer isn-t seated properly.

Nov 18, 2012 | Volkswagen Cars & Trucks

1 Answer

4 wheel drive tries to engage going down the road while shift lever still in 2H


Then you need to check the linkage underneath the floor where it connects to the transfer case, and make sure it isn't loose or mal-adjusted.

Nov 26, 2011 | Chevrolet Silverado 3500 Cars & Trucks

1 Answer

My 2001 S10 has push button 4 wheel drive and it stopped working. What could i do to troubleshoot this problem?


i would 1st check all of the fuses / and relays to make sure 1 of them isn't defective, if all checks out, then check the wiring that goe's to the 4/4 switch, if it is ok, then i would replace the switch.

Apr 16, 2011 | 2001 Chevrolet S-10

4 Answers

The speedometer does not work, brake light is on, 4 wheel drive light blinks and ABS light is on. I replaced wheel bearings and all four speed sensors. any suggestions?


If the speedometer doesn't work, I usually look for a VSS or vehicle speed sensor, but on the Ford Escape, the Wheel Speed Sensors detect speed.

The ABS light may be on if there isn't a signal going from the speed sensors to the ABS module, or the module is bad, itself.

I don't know about the 4 wheel drive light blinking, but it could signal trouble in that system, as well, as far as the electronic control of 4 wheel drive or the Transmission Range selector Also, does the transfer case have enough fluid in it?

Transfer Case NOTE: Repair of the transfer case is limited to seals, gaskets and output flange on automatic transaxle vehicles only. In vehicles equipped with a manual transmission, or if any of the geared components, tapered roller bearings, case cover or internal shafts fail, a new transfer case must be installed.
NOTE: The transfer case is sealed from the transaxle and has its own oil pump. The transfer case uses SAE 75W-140 synthetic gear lubricant and holds 12 ounces. The transfer case fill plug is located on the housing cover.
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The speedometer problem could also be a bad speedometer gauge, but that is rare, these days and is not indicated by the ABS light being on that says that maybe a signal has been lost to the wheel speed sensors themselves.

I hope this helps to understand what may be going wrong, even though you did the right thing by changing the wheel speed sensors.

Oh, by the way, I would scan the OBD-II computer with an ABS Brakescan tool to see if any particular wheel is still not reading or sending speed data to the ABS module.

May I suggest the Actron Brakescan tool which covers most domestic vehicles from 1996 to 2005?

Good luck on this repair.


Oct 15, 2010 | 2005 Ford Escape

1 Answer

REMOVAL OF FRONT WHEEL BEARINGS


Front (4 Wheel Drive) To Remove:
  1. Raise and support the vehicle
  2. Remove or disconnect the following:
    • Tire and wheel assembly
    • Rotor (See: Disc Brake Rotor)
    • Wheel speed sensor and brake hose mounting bracket bolt from the steering knuckle
    • Electrical connection for the wheel speed sensor
    • Front drive halfshaft assembly (See: Halfshaft)
    • Hub and bearing assembly mounting bolts 4WD front hub 9308kg35.gif

    • Hub and bearing assembly
To Install:
  1. Clean all corrosion or contaminates from the steering knuckle bore and the hub and bearing assembly
  2. Lubricate the steering knuckle bore with wheel bearing grease or the equivalent
  3. Install or connect the following:
    • Hub and bearing assembly
    • Hub and bearing assembly mounting bolts and tighten the hub to knuckle bolts; Torque to: 133 ft. lbs. (180 Nm)
    • Front drive halfshaft assembly (See: Halfshaft)
    • Electrical connection for the wheel speed sensor
    • Wheel speed sensor and brake hose mounting bracket bolt to the steering knuckle and tighten the bolt; Torque to: 106 inch. lbs. (12 Nm)
    • Rotor (See: Disc Brake Rotor
    • Tire and wheel assembly
    Wheel lug nut tightening sequence gm_trk_sub15_wheel_lug_nut_tight_seq.gif

  4. Torque the lug nuts to specification
  5. Test drive the vehicle to confirm the repairs
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Aug 03, 2010 | 2001 Chevrolet Silverado 1500

1 Answer

95 blazer 4x4 4 wheel drive not working


There is a vacuum actuator mounted on the front differential that locks the shafts to engage four wheel drive.

Jan 28, 2009 | 1995 Chevrolet Blazer

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