Duramax LMM Knocking: Injector or Cracked Flex-plate? Pt.1 Diagnosis

5 years ago
162

Injector Knock or Cracked Flex-Plate diagnosis w/ 2009 Chevrolet Duramax LMM Dually. Give a guess in the comments section and stay tuned for Pt.2 where we drop the Allison Transmission to inspect and install new parts.

Removing the Allison transmission in a Duramax is a lot of work, so I better install some performance parts while i'm at it for preventative maintenance and improved driveability.

This episode we inspect the new Torque Converter and Flex-plate I ordered from #suncoastdiesel out of Florida to my location in Kelowna BC Canada. Featuring the GM-107X-3D billet triple-disc low stall 1800 RPM tight stator designed for towing applications., To be paired with the Suncoast Performance Diesel LBZ/LMM billet counter-balanced flex-plate. #injectorknock #crackedflexplate #duramaxknock

With changing to a 1800 RPM Low Stall performance stator from the OEM's 2200 RPM stator I hope to see a fuel mileage improvement, which could pay for itself in a few years as I drive across North America racing superbikes and enjoying dirtbike nomad adventures. ;)

Duramax LMM Knocking Series:
a) Pt.1 Diagnosis
https://youtu.be/lyyBQoVIcS4
b) Pt.2: Allison Transmission Removal Ep.1
https://youtu.be/v7GeaepbLZY
c) Pt.3: Allison Transmission Removal Ep.2
https://youtu.be/a-O403q1EhU
d) Pt.4: Suncoast Diesel Converter & Billet Flex-plate Installation
https://youtu.be/VgoTVOnfO1I
e) Pt.5: Allison Installation & AMSOIL Fuel-Efficient ATF
https://www.patreon.com/posts/32572380
f) Pt.6: Unplugging Injectors & AMSOIL Diesel Injector Clean
https://www.patreon.com/posts/32632375
g) Pt.7 Diagnosis Summary
https://www.patreon.com/posts/duramax-lmm-pt-7-33013253
h) Pt.8 LMM / LBZ Injector Installation Guide - BOSCH 0445120082
https://www.patreon.com/posts/duramax-lmm-pt-8-33013451

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#Superbikewanderer - Marcel Irnie travelling track to track to teach Rider Training and Race Motorcycles. Roaming with a 2009 Duramax LMM dually, carrying a 2006 Northern Lite 10.2 as the home, pulling a 16' race trailer with BMW S1000RR Merlin, Ninja 400 Motoko, and the new 2020 KTM 300xc tpi!

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