Turbo Vane Position Sensor - Chevy and GMC Duramax Diesel Forum

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post #1 of 25 (permalink) Old 10-18-2010, 02:02 PM Thread Starter
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Turbo Vane Position Sensor

Where are you guys finding them for $300? I keep seeing threads about guys buying them for that cheap but the local stealership here tells me $688!

Help me out if someone knows.

2007 Duramax Crew Cab LT LBZ
285/75/16 Toyo MT's
Edge Evolution Race CTS
Diamond Eye 4" Turbo Back


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post #2 of 25 (permalink) Old 10-18-2010, 02:13 PM
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post #3 of 25 (permalink) Old 10-18-2010, 09:05 PM
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yeap.....gmparts direct is where I got mine....... $400 and some change compared to the stealership


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post #4 of 25 (permalink) Old 10-19-2010, 07:50 AM Thread Starter
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Can someone hook me up with a picture of the sensor and a part number? I looked un the turbo last night but saw multiple wiring connnectors.

2007 Duramax Crew Cab LT LBZ
285/75/16 Toyo MT's
Edge Evolution Race CTS
Diamond Eye 4" Turbo Back


Coming soon...

Transgo Jr
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post #5 of 25 (permalink) Old 10-19-2010, 08:16 AM
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damn you can usually get a whole used turbo complete with sensor for 3-400

Beech - 05 LLY CC/SB 4x4
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post #6 of 25 (permalink) Old 10-19-2010, 08:25 AM Thread Starter
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Quote:
Originally Posted by RedBowTies88 View Post
damn you can usually get a whole used turbo complete with sensor for 3-400
That would be nice. I'll have to check the local U Pull It.

2007 Duramax Crew Cab LT LBZ
285/75/16 Toyo MT's
Edge Evolution Race CTS
Diamond Eye 4" Turbo Back


Coming soon...

Transgo Jr
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post #7 of 25 (permalink) Old 10-19-2010, 08:52 AM Thread Starter
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OK found the part number on anohter thread here. It's Part #12635324 does anyone have a picture of where this sensor is located?

2007 Duramax Crew Cab LT LBZ
285/75/16 Toyo MT's
Edge Evolution Race CTS
Diamond Eye 4" Turbo Back


Coming soon...

Transgo Jr
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post #8 of 25 (permalink) Old 10-19-2010, 09:06 AM Thread Starter
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I found this on another forum. I found it helpful.

LBZ Turbo Vane Position Sensor Replacement
I recently had the vane position sensor go out on my 07. The symptoms were that there was hardly any boost between 1500-2500 RPM's. once you hit over 2500 RPM's it seemed to get full boost instantly. Another symptom was at idle, the vanes in the turbo would open and close all the time... This made it sound like engine would gain RPM's and then idle back down.

For an LBZ Duramax there are 3 options for vane position sensors:
1. GM# 98011739 - Vane Position Sensor for LBZ Duramax
2. GM# 98061570 - Vane Position Sensor for LMM Duramax
3. GM# 12635324 - Vane Position Sensor, Supersedes LBZ and LMM #'s

The prices vary for each of the parts:
1. GM# 98011739 - $230 up to $389
2. GM# 98061570 - $211 up to $357
3. GM# 12635324 - $400 up to $506
(These prices are from different online GM parts distributors and local dealers)

Currently GM# 98011739 (LBZ) is no longer available. As of late Oct- early Nov 09, GM# 12635324 (New Part #) is not yet available for sale. It is waiting to be approved by GM for the sale of that part.

I used GM# 98061570 (LMM) because it was available and cheaper than the new release part.

Removal of old Sensor:
1. Remove resonator from the top of the intake
2. Follow wire out of the top of the turbo down to the drivers side of the block
3. Unplug the sensor
4. Using a 1" Crows Foot, a 3/8" ratchet, and 6" extension; loosen and take out the sensor

Installation of new sensor:
1. Using a 1" Crows Foot, a 3/8" ratchet, and 6" extension; tighten sensor to 21.5-24.9 N.M of torque (15-18 Ft. Lbs)
2. Run wire down to the plug on the drivers side (place in a safe route so that the wire will not be harmed)
3. Plug sensor in
4. Re-install resonator on the intake
5. Start the vehicle and check to make sure everything is in working order
6. Enjoy








2007 Duramax Crew Cab LT LBZ
285/75/16 Toyo MT's
Edge Evolution Race CTS
Diamond Eye 4" Turbo Back


Coming soon...

Transgo Jr

Last edited by PNW_Smoker; 10-19-2010 at 09:13 AM.
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post #9 of 25 (permalink) Old 10-19-2010, 09:21 AM
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Use there anyway to test the sensor? I don't what to buy one if there is no need!

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post #10 of 25 (permalink) Old 10-19-2010, 10:21 AM Thread Starter
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Quote:
Originally Posted by B Rack View Post
Use there anyway to test the sensor? I don't what to buy one if there is no need!
I'm going to take one off a buddies truck tonight and swap it out to see if my problem goes away.

2007 Duramax Crew Cab LT LBZ
285/75/16 Toyo MT's
Edge Evolution Race CTS
Diamond Eye 4" Turbo Back


Coming soon...

Transgo Jr
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