2014 - 2015 Corvette: GM TechLink: Fuel Injector and Oil Ring Seal Replacement
Subject: Fuel Injector and Oil Ring Seal Replacement
Model and Year: 2014 - 2015 Corvette Equipped with LT1 and LT4 Engines (RPO Z06)
Source: GM TechLink
Page Number: 4
Date: November 10, 2014
If Service Information diagnostics indicates a fuel injector (Fig. 12) may need to be removed for a repair or replaced, such as for a fuel odor or extended cranking condition, on a 2014-2015 Corvette, Silverado, Suburban, Tahoe, Sierra, Yukon, or Yukon XL equipped with the 4.3L engine (RPO LV3), 5.3L engine (RPO L83) or 6.2 engine (RPOs L86, LT1, LT4), be sure a new O-ring seal is installed.
TIP: If an injector is being replaced, all the injectors should be installed with new seals.
The following fuel injector part numbers require a new O ring before installation. Use the O-ring seal listed below.
RPOs LV1-LV3-L83-L86-LT1 Seal Kit (PN 12668553 ) should be used for the following injector kits: LV1-LV3-L83 Service Injector:
- 12656932 (Nominal Flow)
LT1/L86 Service Injectors:
- 12656931 – Nominal Flow
- 12660002 – Low Flow
- 12660003 – High Flow
RPO LT4 Seal Kit (PN 12668554) should be used for the following injector kits: LT4 Service Injectors:
- 12661029 – Nominal Flow
- 12661030 – Low Flow
- 12661031 – High Flow
- Thanks to Richard Renshaw