Subject: LTPWS Parts Numbers and Sensor Color Codes Revised
Model and Year: 1991 Corvette
Source: Chevrolet Service Update Bulletin
Bulletin No: 91-418-3E
Section: 3E
Date: Sept. 1991
Corporate Bulletin No.: 113504R
ASE No.: A4
TO: ALL CHEVROLET DEALERS
The part numbers and sensor color codes for the Low Tire Pressure Warning System (LTPWS) as shown on page 3E-17 in Section 3E "Tires and Wheels" in the 1991 Final and 1992 Preliminary "Y" Service Manuals have been revised as follows:
| Part Number | Sensor Color Code |
| 10098494 | Blue |
| 10098495 | Green |
| 10098496 | Orange |
| 10098497 | Yellow |
In addition, the torque specification given for bolt screw engaged on Page 3E-17 of the 1991 Final Service Manual should be 6.8 N.m (60 lb. in.).
Please make note of these changes for future reference.
Article ID: 1105
Created: January 13, 2015
Last Updated: January 13, 2015
Online URL: https://www.corvetteactioncenter.com/tech/knowledgebase/article/1991-corvette-service-bulletin-ltpws-parts-numbers-and-sensor-color-codes-revised-1105.html