News

Diesel Cold-Start Problems by Platform
Diesel Cold-Start Problems by Platform
Diesel cold-start problems by platform: what fails on Power Stroke, Cummins, and Duramax in the cold, and how to diagnose a hard cold start. Read more...
Used Diesel Buying Checklist: What to Inspect
Used Diesel Buying Checklist: What to Inspect
A used diesel buying checklist from a tech's view: what to inspect, the cold-start and fluid tells, and the deal-breakers that hide expensive repairs. Read more...
6.7 Power Stroke vs 6.7 Cummins vs L5P Duramax
6.7 Power Stroke vs 6.7 Cummins vs L5P Duramax
6.7 Power Stroke vs 6.7 Cummins vs L5P Duramax compared: engine design, known weak points, and which modern diesel truck fits how you drive. Read more...
Best Fuel Filters for the LB7 Duramax
Best Fuel Filters for the LB7 Duramax
LB7 Duramax fuel filter guide: why filtration protects the famous injectors, which brands to trust, and how to choose and change the filter right. Read more...
ARP vs OEM Head Studs for Towing Builds
ARP vs OEM Head Studs for Towing Builds
ARP vs OEM head studs for diesel towing builds: why factory bolts lift heads under load, when studs are worth it, and what the job really involves. Read more...
Dorman vs OEM EGR Coolers: Which Should You Buy?
Dorman vs OEM EGR Coolers: Which Should You Buy?
Dorman vs OEM diesel EGR coolers compared: where each makes sense, why cooler design matters, and how to avoid replacing it twice. Read more...
Bosch vs Aftermarket Diesel Sensors: What to Trust
Bosch vs Aftermarket Diesel Sensors: What to Trust
Bosch vs aftermarket diesel sensors compared: why cheap sensors throw phantom codes, which ones to buy OEM, and how to avoid a wasted diagnosis. Read more...
Motorcraft vs Aftermarket 7.3 Glow Plugs: What to Buy
Motorcraft vs Aftermarket 7.3 Glow Plugs: What to Buy
Motorcraft vs aftermarket 7.3 Power Stroke glow plugs compared: which brands are safe, why cheap plugs fail, and how to buy a set that lasts. Read more...
OEM vs Aftermarket Diesel Water Pumps: What Lasts
OEM vs Aftermarket Diesel Water Pumps: What Lasts
OEM vs aftermarket diesel water pumps compared: where the cheap pump costs you, what to check on the box, and when quality aftermarket is the smart buy. Read more...
What Fuel Filter Micron Rating Does Your Diesel Need?
What Fuel Filter Micron Rating Does Your Diesel Need?
Diesel fuel filter micron ratings explained: what number your injection system needs, why nominal vs absolute matters, and how to pick the right filter. Read more...
VW 2.0 TDI HPFP and Fuel System Failure
VW 2.0 TDI HPFP and Fuel System Failure
A failed CP4 high-pressure pump can send metal through the whole 2.0 TDI fuel system. Here's how it fails, the warning signs, and how to protect it. Read more...
Sprinter OM642 Glow Plug and Harness Replacement
Sprinter OM642 Glow Plug and Harness Replacement
OM642 Sprinter glow plugs seize and their harness connectors corrode. Here's how to diagnose, remove seized plugs safely, and replace the harness. Read more...
3.0 EcoDiesel Water Pump and Coolant Service
3.0 EcoDiesel Water Pump and Coolant Service
The 3.0 EcoDiesel runs two coolant pumps and a tight cooling system. Here's how the water pumps fail, the coolant service it needs, and what to watch. Read more...
Why DPF Delete Is Illegal — Service It Instead
Why DPF Delete Is Illegal — Service It Instead
Deleting a DPF on a road diesel is a federal crime with real penalties. Here's the law, the risks, and how to service the DPF so it works instead. Read more...
7.3 Power Stroke Cam Sensor and Stall Diagnosis
7.3 Power Stroke Cam Sensor and Stall Diagnosis
A dying 7.3 Power Stroke CPS stalls the engine dead, then restarts once it cools. Here's how to confirm the cam sensor and why you should carry a spare. Read more...
6.0 Power Stroke Blue Spring and Fuel Pressure
6.0 Power Stroke Blue Spring and Fuel Pressure
Low fuel pressure starves 6.0 Power Stroke injectors. The blue spring upgrade and a fresh regulator restore pressure. Symptoms, diagnosis, and the fix. Read more...
6.4 Power Stroke Up-Pipe and Turbo Gasket Leaks
6.4 Power Stroke Up-Pipe and Turbo Gasket Leaks
6.4 Power Stroke up-pipe and turbo gaskets leak exhaust and kill boost. Here's how to spot the tick and whistle and reseal the compound-turbo exhaust path. Read more...
LMM Duramax EGR and DPF Service
LMM Duramax EGR and DPF Service
The LMM Duramax was GM's first DPF diesel. Here's how the EGR and DPF systems work, why they clog, and the service that keeps them regenerating properly. Read more...
LBZ Duramax Injector and Fuel System Guide
LBZ Duramax Injector and Fuel System Guide
The LBZ Duramax fuel system is stout, but injectors and CP3 feed still need care. Symptoms of a failing injector, balance rates, and the service that protects it. Read more...
LLY Duramax Head Gasket and Overheating Fix
LLY Duramax Head Gasket and Overheating Fix
LLY Duramax head gaskets fail from towing heat. Here are the real symptoms, why the factory head bolts let go, and the studs-and-gaskets fix that lasts. Read more...
Grid Heater vs Block Heater for Cold Starts
Grid Heater vs Block Heater for Cold Starts
Grid heater vs block heater for diesel cold starts: what each does, when you need which, and how to start a diesel reliably in the cold. Read more...
Boost Leak Prevention: Clamps, Boots, and Couplers
Boost Leak Prevention: Clamps, Boots, and Couplers
Stop diesel boost leaks before they start: how boots, couplers, and clamps fail, what to upgrade, and why a boost leak costs you power and mpg. Read more...
EGT Monitoring: Pyrometer Placement and Safe Limits
EGT Monitoring: Pyrometer Placement and Safe Limits
Where to put an EGT probe and how to read it: pre-turbo vs post-turbo pyrometer placement, safe limits, and installing without wrecking the turbo. Read more...
Choosing Diesel Oil: CK-4 vs FA-4 and Viscosity
Choosing Diesel Oil: CK-4 vs FA-4 and Viscosity
CK-4 vs FA-4 diesel oil explained, plus how to choose viscosity like 15W-40 vs 5W-40. Which category your truck needs and why it matters. Read more...
Diesel Thermostat and Cooling Upgrades for Towing
Diesel Thermostat and Cooling Upgrades for Towing
Thermostat and cooling upgrades that actually help a diesel tow: radiator health, fan clutch, coolant, and why the thermostat is step one, not the fix-all. Read more...
Water Pump Upgrades for High-Output Duramax
Water Pump Upgrades for High-Output Duramax
Duramax water pump upgrades for towing and high-output builds: why the stock pump falls behind, what to look for, and how to keep coolant moving. Read more...
Diesel Head Gasket Job: Studs, Machining, What to Expect
Diesel Head Gasket Job: Studs, Machining, What to Expect
What a diesel head gasket job really involves: head studs vs bolts, machining and flatness, torque procedure, and why doing it once right matters. Read more...
Best Coolant for Diesel Engines Explained
Best Coolant for Diesel Engines Explained
Diesel coolant explained: OAT vs HOAT, why diesels need SCAs and cavitation protection, and how to pick the right coolant so you don't wreck the engine. Read more...
Fuel System Upgrades for Reliability
Fuel System Upgrades for Reliability
The fuel system upgrades that actually add reliability to a diesel: lift pumps, better filtration, and clean fuel supply. No deletes, just longevity. Read more...
Towing With a Diesel: Cooling and EGT Management
Towing With a Diesel: Cooling and EGT Management
How to tow with a diesel without cooking it: manage coolant temp, EGT, and transmission heat up long grades, and the parts that keep a tow rig alive. Read more...
Winterizing Your Diesel: Cold-Weather Prep
Winterizing Your Diesel: Cold-Weather Prep
How to winterize a diesel truck: fuel gelling, glow plugs and grid heaters, batteries, block heaters, DEF and coolant. A practical cold-weather checklist. Read more...
6.7 Cummins Valve Lash Adjustment Explained
6.7 Cummins Valve Lash Adjustment Explained
What 6.7 Cummins valve lash is, why it matters, symptoms of tight or loose valves, and how the adjustment is done. A practical owner's guide. Read more...
Diesel Serpentine Belt Inspection and Replacement
Diesel Serpentine Belt Inspection and Replacement
How to inspect and replace a diesel serpentine belt: what to look for, tensioner wear, real intervals, and why a failed belt strands you. Read more...
Diesel Air Filter and CCV Service Intervals
Diesel Air Filter and CCV Service Intervals
When to change your diesel air filter and CCV filter, why restriction beats mileage, and how a neglected crankcase filter causes real problems. Read more...
Diesel Coolant Service Intervals and SCA Testing
Diesel Coolant Service Intervals and SCA Testing
Why diesel coolant needs SCA testing, how liner cavitation destroys engines, and real service intervals to protect a wet-liner diesel. Read more...
6.7 Power Stroke DEF and DPF Maintenance
6.7 Power Stroke DEF and DPF Maintenance
How to maintain the DEF and DPF system on a 6.7 Power Stroke: regen, fluid quality, avoiding derates, and keeping the emissions system healthy. Read more...
7.3 Power Stroke Fluids and Filter Service Guide
7.3 Power Stroke Fluids and Filter Service Guide
Every fluid and filter the 7.3 Power Stroke needs: oil, fuel, coolant, air and more, with real service guidance to keep the legend running. Read more...
Duramax Fuel Filter Change Interval Explained
Duramax Fuel Filter Change Interval Explained
How often to change your Duramax fuel filter, why the interval moves, single vs dual filter setups, and how to protect the injection system. Read more...
6.0 Power Stroke Preventive Maintenance Checklist
6.0 Power Stroke Preventive Maintenance Checklist
A 6.0 Power Stroke preventive maintenance checklist: oil, fuel filters, coolant chemistry, oil cooler, EGR and more to keep the problem child alive. Read more...
6.7 Cummins Maintenance Schedule and Service Intervals
6.7 Cummins Maintenance Schedule and Service Intervals
A practical 6.7 Cummins maintenance schedule: oil, fuel filters, coolant, air, DEF and more, with real intervals and why duty cycle changes them. Read more...
Duramax Glow Plug and Controller Diagnosis
Duramax Glow Plug and Controller Diagnosis
Duramax glow plug and controller diagnosis, hard cold starts, white smoke, and how to test glow plugs and the GPCM. A veteran tech walkthrough. Read more...
5.9 Cummins 24V Lift Pump and VP44 Protection
5.9 Cummins 24V Lift Pump and VP44 Protection
5.9 Cummins 24V lift pump failure starves the VP44 pump and kills it. Symptoms, why fuel pressure matters, and how to protect it. Veteran tech guide. Read more...
3.0 EcoDiesel EGR Cooler Replacement Guide
3.0 EcoDiesel EGR Cooler Replacement Guide
3.0 EcoDiesel EGR cooler failure symptoms, why they crack, and what replacement involves. A veteran tech guide for Ram 1500 and Jeep owners. Read more...
L5P Duramax CCV Filter and Oil Separator Service
L5P Duramax CCV Filter and Oil Separator Service
L5P Duramax CCV filter and oil separator service, symptoms of a clogged crankcase vent, and how to replace it. A veteran tech guide to a cheap fix. Read more...
6.7 Power Stroke Coolant Leak and Degas Bottle Issues
6.7 Power Stroke Coolant Leak and Degas Bottle Issues
6.7 Power Stroke coolant leaks and degas bottle cracks, the dual cooling systems, and how to find the leak. A veteran tech guide before you overheat. Read more...
7.3 Power Stroke Valve Cover Gasket and Harness Service
7.3 Power Stroke Valve Cover Gasket and Harness Service
7.3 Power Stroke valve cover gasket leaks and under-valve-cover harness failure cause dead cylinders and rough idle. Symptoms and the fix from a veteran tech. Read more...
6.0 Power Stroke Standpipe and Dummy Plug Leaks
6.0 Power Stroke Standpipe and Dummy Plug Leaks
6.0 Power Stroke standpipe and dummy plug leaks cause hard hot starts and long crank. Symptoms, diagnosis, and the O-ring fix from a veteran tech. Read more...
6.4 Power Stroke Oil Cooler and Coolant Flow Problems
6.4 Power Stroke Oil Cooler and Coolant Flow Problems
6.4 Power Stroke oil cooler restriction and coolant flow problems, symptoms, and how the twin radiators tie in. A veteran tech breakdown. Read more...
LML Duramax Fuel Filter and Water-in-Fuel Service
LML Duramax Fuel Filter and Water-in-Fuel Service
LML Duramax fuel filter change, water-in-fuel draining, and why clean fuel protects the CP4.2 pump. A veteran tech guide to doing it right. Read more...
6.7 Cummins Water Pump Failure and Replacement
6.7 Cummins Water Pump Failure and Replacement
6.7 Cummins water pump failure symptoms, the weep-hole tell, and how to replace it right. A veteran tech guide before you're stranded with an overheat. Read more...