2014 - 2015 Corvette: Service News: Engine Repair with Crankshaft Replacement

Subject:  Engine Repair with Crankshaft Replacement
Model and Year:  2014 - 2015 Corvette with RPO LT1 Engine
Source:  Chevrolet Service News
Page Number:  NA
Date:  October 8, 2014

If the crankshaft (Fig. 21) needs to be replaced on 2014-2015 Corvette, Silverado, Sierra; 2015 Tahoe, Suburban, Yukon/XL and Escalade models equipped with the 4.3L, 5.3L or 6.2L engine (RPOs L83, L86, LT1, LV3), be sure to follow these guidelines before completing a crankshaft replacement:

• Complete all appropriate Service Information diagnostics to determine that the crankshaft requires replacement.
• If the engine has bearing and crankshaft damage, the engine should be replaced along with the oil cooler.
• On dry sump engines, the oil tank and lines should also be replaced with the engine.
• Follow the latest version of Bulletin #09-06-04-026G to verify that the ECM calibration is not an aftermarket calibration.
• If a Corvette owner prefers to keep the original numbers matching with the engine, call TAC for repair directions.

Fig. 21

- Thanks to Richard Renshaw