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Failed LF speed sensor 1000 at dealer

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Old May 5, 2004 | 10:03 PM
  #1  
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Default Failed LF speed sensor 1000 at dealer

Even when still under warranty (~2 years ago), my 1999 C6 vert would chime and flash warning messages on the DIC. It's the speed sensor, right front. It's part of the hub. The messages were rare 2-3 years ago. Now it's time to fix it. (Kills all traction systems) And now that I have 02 wheels on there, I'm getting the tire monitor error also. Any way to supress that for a season?

Wheel Hub is 7-8 hundred at the dealer plus labor. Quoted 1k
On rockauto.com it's 511.
At GM parts direct it's 384. (plus 66 frt?? need to call)
I hope it's the correct part - seems like a large price diff..
Part number is 7470569 on http://www.gmpartsdirect.com
Anyone ever change one? Any tips?
I am about to change rotors and calipers (have a warped rotor) and figure its a good time to do it.


Sorry, should have posted in the general forum.
Oops cover that? :yesnod:


[Modified by RAK, 10:07 PM 5/5/2004]
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Old May 5, 2004 | 10:46 PM
  #2  
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Default Re: Failed LF speed sensor 1000 at dealer (RAK)

You pretty much have to remove the entire spindle. Not really difficult, just kind of a pain with the ball joints. I think that $384 is still kind of high. Search on the forum for wheel hubs, I think someone found a deal at autozone or something and it included the speed sensor. I bet a local shop that knows corvettes will be cheaper to install it than the dealer.

The 02 wheel sensors won't work with a 99. Probably have to swap them out the next time you get new tires. There are usually sensors on ebay or on the forum. Just drive around with traction control off and sensors shouldn't give you any trouble.
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Old May 5, 2004 | 11:27 PM
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Default Re: Failed LF speed sensor 1000 at dealer (jayleone)

I just bought another set of 99 rims and sensors. Have not had the heart to break my "new" polished wheels apart - currently still original GM from 02. Wheels look so good do not want them damaged either.

Will check prices local parts stores.
thanks
Roy
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Old May 5, 2004 | 11:49 PM
  #4  
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Default Re: Failed LF speed sensor 1000 at dealer (RAK)

The early C5's could not disable the LTPWS, but you should be able to in an 02...do a search here. I remember people with Z06's were turning this option on (via GM Tech II), and it could be turned off as well. Diagrams were out here a year ago detailing every step of the way. I tried to turn it off on my 98, but you couldn't do it on the 98 (as all 98's had the sensors).

Since yours is an 02 (and z06's didn't have them that year), you can have yours turned off...

As far as the speed sensor, I'd try Gene at Karshop. He'll probably make you a killer deal on a lightly used one...

Gmpartsdirect shows you the dealer cost on the part, and they make all their profit in the shipping (hence the $66). It usually comes out way cheaper...but used should still take a lot less...
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Old May 6, 2004 | 12:34 AM
  #5  
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Default Re: Failed LF speed sensor 1000 at dealer (RAK)

DON'T buy the part from GM - get it from Autozone or another supplier. Same part, different box. I think I paid $169 for the same piece you are looking at last year. Yes, it's ridiculous, but true. Same part. And if it's the front, I don't believe it's very hard to do yourself. Explore a few other options - this should not be an expensive repair. Anyone have a '99 manual that can look up the procedure to change this?
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Old May 6, 2004 | 03:20 AM
  #6  
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Default Re: Failed LF speed sensor 1000 at dealer (BSiegPaint)

Thanks for all the info guys.
The part at autozone is 155.. geez.. What a scam.
This place is great. We are all vetted.
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Old May 6, 2004 | 11:48 AM
  #7  
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Default Re: Failed LF speed sensor 1000 at dealer (RAK)

The wiring harness could be loose resecure it and tape it in place.

It is cheaply made.

You have to buy the whole hub assembly

....Are there grounds for a law suit....

Class action...for not selling individual parts only packaging them as a complete units to increase there $$$ sales.....

Are there any Esquires wishing to chime in.. :crazy:

The reattachment and tape has worked for me.

Dealer did this for free, unpluged harness, cleaned it, reattached and taped in place Then he cleared the codes....no issues since. :seeya :seeya :seeya :seeya
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Old May 6, 2004 | 12:34 PM
  #8  
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Default Re: Failed LF speed sensor 1000 at dealer (2000 Pewter Hardtop)

The wiring harness could be loose resecure it and tape it in place.

It is cheaply made.
Thanks for the info and I will look into it further but the dealer did have it up on the lift checking the connector. And it was disconnected He tested the unit using a tester plugged into the bearing assembly. I do not beleive that he cleaned it. What is it with the "Tape" What did you tape? The plug into position?

thanks for the info..
BTW - someone asked be for the autozone part#
Made by Timken - 513139
link: http://www1.autozone.com/servlet/UiB...+-+WHEEL+FRONT

Not sure where you would specify right or left.. Looks like they should be the same.
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Old May 6, 2004 | 02:01 PM
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Default Re: Failed LF speed sensor 1000 at dealer (2000 Pewter Hardtop)

:smash: Lawsuits are not the solution to everything. Do you have the option to research and buy for less? Yes you do. :cuss
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Old May 6, 2004 | 09:00 PM
  #10  
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Default Re: Failed LF speed sensor 1000 at dealer (RAK)

BTW the unit is cheaply made, the tape was to hold it on better as the clips are cr*p..The tech was laughing at how cheap it was made with it being exposed to the elements. :yesnod:


[Modified by 2000 Pewter Hardtop, 9:01 PM 5/6/2004]
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Old May 6, 2004 | 09:21 PM
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Default Re: Failed LF speed sensor 1000 at dealer (Heretic)

Lawsuits are not the solution to everything. Do you have the option to research and buy for less? Yes you do.


Well the threat of a class action suit is sometimes what is needed to get GM to do the right thing......... :seeya :seeya :seeya :seeya


BTW when you bought your car thru all your research, did they disclose that if you need a $50.00 wiring harness....that you would be required to purchase a $1000. wheel hub assemply just to get the piece you need...
I think not

Or that if you purchased a 1997-2000 they came with ACID batteries.
GM has known for years about the issue with positive terminal leaking

Do you know what is under the battery??? Computor and wiring harness..... The replacement of the harness is approximately $5-6,000. how many did they leave the owners hanging with?????

I quess lawsuits are to teach them a lesson for screwing people

Gm's logic as well as most companies is to weigh change cost's, to not changing ( corvettes' built in a year) 35000 times $$$ say(the difference between a dry and a wet battery) $50.00 times 4 years equals $7,000,000...well they manage the risk against that.....Now do that for all vehicles GM makes.....So now were talking real money.... They have used the same battery for 10 years or more!!

Want to buy some tabacco, little girl ???

Lawsuits are not the answer.....companies as well as people being responsible is the answer......

Praise the Lord and pass the ammo :crazy:


[Modified by 2000 Pewter Hardtop, 9:26 PM 5/6/2004]
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Old May 6, 2004 | 09:24 PM
  #12  
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Default Re: Failed LF speed sensor 1000 at dealer (2000 Pewter Hardtop)

Some guideline instructions to help you put it on are here:
http://www.jakelatham.com/c5/misc/

-Jake
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Old May 6, 2004 | 11:08 PM
  #13  
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From: Wilmington NC
Default Re: Failed LF speed sensor 1000 at dealer (RAK)

Even when still under warranty (~2 years ago), my 1999 C6 vert would chime and flash warning messages on the DIC. It's the speed sensor, right front. It's part of the hub. The messages were rare 2-3 years ago. Now it's time to fix it. (Kills all traction systems) And now that I have 02 wheels on there, I'm getting the tire monitor error also. Any way to supress that for a season?

Wheel Hub is 7-8 hundred at the dealer plus labor. Quoted 1k
On rockauto.com it's 511.
At GM parts direct it's 384. (plus 66 frt?? need to call)
I hope it's the correct part - seems like a large price diff..
Part number is 7470569 on http://www.gmpartsdirect.com
Anyone ever change one? Any tips?
I am about to change rotors and calipers (have a warped rotor) and figure its a good time to do it.


Sorry, should have posted in the general forum.
Oops cover that? :yesnod:


[Modified by RAK, 10:07 PM 5/5/2004]
GM
Front Wheel Bearing 7470569
Rear Wheel Bearing 7470571

Autozone, http://www.chevypartstore.com, http://www.rockauto.com/
Timken OEM part numbers:
Front Wheel Bearing 513139
Rear Wheel Bearing 512153

Rock Auto is $184.79 for the front. This is the same bearing as only Timken makes them and it is a Timken part number.

The GM part tends to run double.

My guess is that you don't need to replace the bearing. It may just be you have a loose connection at the sensor, or need to replace the wiring harness which is part #10332527 for either front right or left.

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Old May 6, 2004 | 11:08 PM
  #14  
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Default Re: Failed LF speed sensor 1000 at dealer (JakeL)

Great info!
Plan to order the part tomorrow.
Thanks Jake!
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