Crankshaft Replacement Caution for GM 2.8L, 3.6L Engines - Engine Builder Magazine

Main Navigation

Advertisement
Social Connect
Resources
Our Brand Family
Engine Builder Magazine Logo
Content for engine professionals and enthusiasts
Tech Center

Crankshaft Replacement Caution for GM 2.8L, 3.6L Engines

Engine Builder
By Engine Builder
Published:

Affects 2007-2010 models with 2.8L or 3.6L High Feature V6 engines (VINs D, T, V, 7 RPOs LP1, LLT, LY7).

Related Articles

Repair Procedure:

If the original crankshaft has a keyway slot and the replacement crank has a hole then round pin P/N 12585420 must be used, then install the harmonic balancer. Install a new bolt and torque it properly. The harmonic balancer will not need to be changed. Be sure to follow all instructions included with the engine pertaining to oil pan, front cover, flexplate etc.

Some or all of this information was provided by the Automotive
Parts Remanufacturers Association (APRA). For more information on
technical bulletins available through APRA call 703-968-2772 or visit www.AutoBulletins.com.oem crankshaft keywayReplacement crankshaft keyway

You May Also Like

Engine Components

Factors of Crankshaft Selection

From the high-performance powerplants propelling Top Fuel dragsters to the subdued engines found in family sedans and grocery getters, each crank must be tailored to, and appropriate for, its specific application.

Avatar
By Dan Schechner
Published:

We know a crankshaft plays a critical role in an engine’s performance, converting reciprocating motion into rotary motion while serving as the backbone of the entire system. It must be strong enough to withstand the continuous pounding of rods and pistons, yet possess enough elasticity to absorb vibrations and flex, albeit slightly, when needed.

Read Full Article

More Tech Center Posts
Shop Solutions March 2024

I always keep a pair of needle nose pliers and a small, straight screwdriver in my blast cabinet to hold small parts when blasting.

By Shop Solutions – The Power of Knowledge
Shop Solutions – February 2024

Submit your Shop Solution at [email protected].

By Shop Solutions – The Power of Knowledge
Degreeing the Camshaft and Checking Valve-to-Piston Clearance

Jeff McCord of LinCo Diesel Performance walks you through degreeing a camshaft and checking valve-to-piston clearance.

By Jeff McCord
Designing a Better LS Engine

After a customer wanted a Steve Morris Engines’ SMX in an LS version, Steve saw the upside and potential in the market, and a challenge to build a better LS.

By Greg Jones

Other Posts

The Importance of a Good Valve Job

The valve job ensures the mating surfaces of the valves and the seats properly control the air/fuel mixture.

By Greg Jones
Getting Better Cylinder Head Airflow

When it comes to improving horsepower and rpm, airflow has a lot to do with it, and it seems the job is one that’s never finished.

By Greg Jones
Horsepower and Head Gasket Technology

Head gaskets have one of the toughest job in an engine, and now we’re pushing them harder than ever, making it easier to expose the slightest weakness.

By Eric Garbe
Inside the Development of Frankenstein’s F-Series LS Cylinder Heads

Right away, engine builders knew it was special.

By Engine Builder