PT Turbo Guides

Cummins Diesel

Cummins ISB 6.7, ISX, ISX15 turbocharger problems, Holset HE351CW, HE431VE, HE300VG guides.

Holset HE431VE VGT Turbo: Cleaning, Actuator Replacement and Rebuild
Cummins Diesel

Holset HE431VE VGT Turbo: Cleaning, Actuator Replacement and Rebuild

The HE431VE is the variable geometry turbo on the Cummins ISL 8.9L, some ISC 8.3L engines, the Volvo D11 and the Mack MP7. Learn how the…

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Cummins ISX Turbocharger: Common Problems and Replacement Guide
Cummins Diesel

Cummins ISX Turbocharger: Common Problems and Replacement Guide

The Cummins ISX is the backbone of North American heavy trucking. Learn which turbochargers are used by year, the most common failure modes, and fleet replacement…

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Holset HE351CW Turbo: Common Problems, Symptoms and Rebuild Guide
Cummins Diesel

Holset HE351CW Turbo: Common Problems, Symptoms and Rebuild Guide

The HE351CW is the most common turbo on the 5.9L Cummins ISB. Learn the five most common failure modes, how to diagnose them, and when to…

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Cummins ISB 6.7 Turbocharger Problems: Ram 2500 and 3500 Diesel Guide
Cummins Diesel

Cummins ISB 6.7 Turbocharger Problems: Ram 2500 and 3500 Diesel Guide

The 6.7L Cummins ISB is the most popular diesel truck engine in America. Here are the most common turbocharger problems on 2007.5–present Ram 2500 and 3500…

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