Ford pickup truck towing a Raptor trailer

Diesel Tech Q&A: Ford DPF Cleaning

JUNE 2019 Ford DPF Cleaning I have a 2106 Ford F-250 6.7-liter diesel that we tow a Heartland Big Country fifth-wheel with. On three occasions, only when...

Ford V-10 Engine-Oil Capacity

Q. Do you guys know the engine-oil capacity for a 2002 Ford F-250 Super Duty crew cab with a 6.8-liter V-10 engine? The owner's...
Mechanic working on Duramax engine

Diesel Tech Q&A: 2011-2016 Duramax Fuel Concerns

JANUARY 2020 2011-2016 Duramax Fuel Concerns I have a 2015 6.6-liter Duramax and have heard about there being a problem with the injection pumps as the...
Mechanic pouring oil into truck engine in shop.

Diesel Tech Q&A: Oil Change Intervals and Analysis

DECEMBER 2019 Oil Change Intervals and Analysis I have a 2016 Chevy 3500HD Duramax diesel. It has 60,000 miles on it, and I’ve been using Shell Rotella...
illustration of battery with question mark

RV Tech Q&A: June 2020

New Trailer Battery Our 2016 CrossRoads Sunset Trail 290QB trailer needs a new battery, but we are not sure what type to get. We do...
Black GMC truck towing white Jayco fifth-wheel between rocky hills

Diesel Tech Q&A: Max Engine RPM

JUNE 2020 Max Engine RPM As a newbie with a diesel pickup (2017 GMC HD 2500 with Duramax), I would like to know the maximum rpm...
An RV solar Panel

RV Tech Q&A: January 2020

Solar-Panel Size I was wondering how big a solar panel I need to keep a wet-cell Interstate SRM-24 battery (CCA-550, MCA-690, RC-140) charged to run...
Illustration for clogged RV plumbing article

RV Tech Q&A: March 2020

Can products like Drano and Liquid-Plumr be used on RV drains to eliminate or reduce the potential of clogs? If not, is there a...
2019 Ram 3500HD towing a New Horizons fifth-wheel trailer

Diesel Tech Q&A: Axle-Ratio Selection

FEBRUARY 2019 Axle-Ratio Selection and Fuel Economy I’m debating between 3.42 and 3.73 axles on the new Ram 3500 diesel dually. I understand fuel mileage will...
Hot Tire Pressure

Carbon Monoxide Detectors

Q:My wife and I live in our RV (we move around with our work) and have been for the last 10 months. Sometimes the...