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The Right Hubs: 1999–2004 F-250/F-350 4WD Wheel Bearing & Hub Assembly (Coarse Thread)

If you’re hunting a replacement front wheel bearing/hub assembly for a 1999–2004 Ford F-250/F-350 4WD, the first thing that matters is stud thread pitch. This Axiom unit is specifically for coarse thr

Subscriber Q&A - Maximizing The Performance Of Your Stock Turbo

You asked, we answered. We’ll be answering a few subscriber asked questions about their trucks, every week. Check them out, some might apply to you as well! This week however, we got asked several tur

Top 10 Turbo Mods for the 7.3 Powerstroke

“Turbo mods” on a 7.3 Powerstroke aren’t limited to the turbocharger itself. Many turbo-related symptoms—slow spool, inconsistent boost, smoke, or elevated EGT—are caused by issues in the supporting s

Riffraff/Eaton 7.3 Powerstroke HPOP JIC Lines - What's the real difference?

The factory 1999–2003 7.3 Powerstroke HPOP lines use quick-connect fittings at the cylinder heads and high-pressure oil pump. They worked, but after more than 20 years of heat, vibration, oil exposure

6.0L Powerstroke ICP Sensor: How It Works, Failure Symptoms, Codes, and Diagnosis

The ICP sensor is one of the first things we look at when a 6.0L Powerstroke has a hard start, hot no-start, rough idle, or unexplained surging. ICP stands for Injection Control Pressure. The 6.0L use

OBDII Diagnostic Trouble Codes: Common Codes And Their Potential Causes – 7.3L and 6.0L Powerstroke

In 1995 Ford began implementing the OBDII system in most of their vehicles. By 1996, due to a federal mandate, all vehicles were using the system. OBDII or On Board Diagnostics 2, gave us tons more da

OBS 7.3 vs. Super Duty 7.3 Differences That Matter When Ordering Parts

The 7.3L Powerstroke ran long enough that people started treating all of them the same. That is how wrong parts get ordered. A 1996 OBS 7.3 and a 2002 Super Duty 7.3 share the same basic engine family

“My 7.3 Cranks But Won’t Start” — Symptoms, Codes, Things To Check, and a Diagnostic Tree

A 7.3L Powerstroke that cranks but won’t start does not automatically need a cam sensor, injectors, or an HPOP. It needs diagnosis. The 7.3 is simple compared to newer diesels, but it still needs four

7.3L Powerstroke Injector Replacement: Step By Step How To

Full PDF Instructions can be downloaded here: https://www.riffraffdiesel.com/content/RESOURCES/Riffraff_Diesel_7.3L_Injector_Replacement_Instructions.pdf Parts Required: Injector O-ring Kit: Part# AP

Common Fluid Leaks, 7.3 Edition: Symptoms, Causes, Prevention and How To Fix Them

7.3L Powerstroke owners have always been ridiculed for marking their territory (i.e., leaking oil, leaving spots wherever they park). We’re going to plead the Fifth on the validity of that statement,

The 7.3L Timing Cover: The Good, The Bad, The Ugly, and The Billet Replacement

Arguably one of the most complex parts on a 7.3. Just about everything runs through the front timing cover or heavily relies on it doing its job correctly. The OE front cover has done its job amazingl

7.3L Overboost Codes: How They Limit Power Output and How To Eliminate Them

When upgrading a 7.3L Powerstroke (1994–2003) for more power, one of the first hurdles is the PCM’s built-in overboost limit, which is typically around 23–24 PSI. Exceed that, and the system throws a

Freeze Plugs - Why they fail, how to replace them

On the list of common things that fail on 7.3’s, freeze plugs are fairly low; however, as these trucks grow in age, they’re becoming more and more common. Failure can occur in many ways, but it is gen

"Bulletproofing" The 6.0L Powerstroke

The 6.0 Powerstroke has a notoriously bad reputation. It is, believe it or not, a really great engine. Or at least it can be. While it was an engine that Ford picked up to fill the void before the new

Top 10 6.0 Powerstroke Scan Tool Readings Every Owner Should Know

The 6.0L Powerstroke is not the engine you diagnose with hopes, guesses, and a Facebook comment that starts with “my buddy’s did that.” A good scan tool is mandatory. Not just for codes, but for live

7.3 Powerstroke PCM Code Locations (1994–2003) + How to Decode What You’re Looking At

Ford didn’t make it easy: on a 7.3 truck you’ll see multiple “PCM codes” that mean different things (hardware vs. software vs. emissions calibration). The trick is knowing where each code lives and wh

Installation

Riffraff Diesel 99-03 GTP38 Rebuild Instructions Riffraff Diesel 99-03 GTP38 360 Rebuild Instructions Riffraff Diesel 94-Early 99 Bellowed Up-pi

Top 10 6.0 Powerstroke EOT/ECT Delta Questions Answered

The 6.0L Powerstroke has a lot of famous problems, but the EOT/ECT delta is one of the easiest ways to catch trouble before it gets expensive. Bad numbers here can lead to failures across the board. T

Beat the Heat: A Guide to Upgrading Your 7.3L Powerstroke's Transmission Cooler

Summer is upon us, bringing high ambient temperatures and the recreational towing season. Both can push your 7.3L Powerstroke’s 4R100 transmission to its thermal limits. Heat is the number one enemy o

Step By Step How To: 7.3 Injector Installation and O-ring Replacement

Recommended Parts: Injector O-ring Kit: Part# AP000: https://www.riffraffdiesel.com/alliant-injector-o-rings/ CCV O-ring Kit: Part# GZ-8-004: https://www.riffraffdiesel.com/ccv-vent-cover-orings/ R