Express 2500 V8-6.6L DSL Turbo (2010)
Turbocharger Vane Position Sensor: Technical Service Bulletins
Engine - Info on Duramax Turbo Vane Position Sensor
INFORMATION
Bulletin No.: 10-06-04-014
Date: November 03, 2010
Subject: Information on Duramax Turbo Vane Position Sensor
Models:
2010-2011 Chevrolet Express Vans, Silverado
2010-2011 GMC Savana Vans, Sierra
Equipped with Duramax(TM) Diesel Engine (RPOs LGH, LML)
An improvement has been implemented to the turbocharger vane position sensor. Some turbochargers existing in inventory have the old style vane
position sensor.
If turbochargers, GM P/N 12635325 or 12635167 are being replaced, the original turbo vane sensor should be removed and replaced with the new style
sensor, GM P/N 12643471. Turbochargers that are supersessions to these part numbers will have the new style vane position sensor and no action is
necessary.
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