Grahic illustration of thermometer, snowflake and sunburst

RV Tech Q&A: November 2019

Refrigerator Misbehavior I bought a new Aliner A-frame LXE two years ago. I am now on my third Dometic refrigerator. Despite countless efforts of troubleshooting between...
Instrument cluster showing four gauges in truck cockpit

Diesel Tech Q&A: Oil Temperature and Change Intervals

OCTOBER 2019 Engine-Oil Temperature I really appreciate the Diesel Tech Q&A addition. I have a question about my 2012 Ford F-350 6.7-liter diesel. There is an...

Systems Q & A

Hot-Water System Contamination Q. We own a 1997 Layton 30-foot fifth-wheel with a slideout room. While dry camping in Bishop, California, we encountered trouble with...
NP-Xantrex-Freedom-XC-Inverter

Juice Managers: Xantrex Freedom Series Inverters

Xantrex has become the OEM standard among many RV manufacturers when it comes to sine-wave power inverters. Now those who want to step up...
Turbocharger set in half on bench in shop

Diesel Tech Q&A: Turbo, Unison Ring and Position Sensor 

NOVEMBER 2019 Duramax Turbocharger, Unison Ring and Position Sensor I have a 2007 GMC Duramax diesel 2500HD. Lately, the Check Engine light comes on and off periodically....

RV Cover Query

Q. What is your expert opinion on RV covers? This last year, my state set records for rainfall, and I am considering covering up...

Selecting Oil Grades

Automotive companies universally specify multi-grades in owner's manuals and SAE 30, which was the preferred oil for GM's 7.4-liter engine in the company's motorhome...
American Force Wheels

American Force Wheels

We get a lot of technical correspondence from readers regarding tire and wheel problems, including premature wear and failures. In fact, it’s one of...
RV Clinic Experts Ken Freund and Jeff Johnston

Truck and Trailer Matchup

Q: We have been RVing for 40 years and love every moment. We’re retired now and get too much conflicting info on trailers and tow...
Slideout Roof Sealant

RV Tech Q&A: April 2018

Slideout Roof Sealant What do you recommend to seal an RV’s slideout roof? Does this need to be done, and, if so, can you use...