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Showing results for tags 'OHV'.
Found 12 results
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Many Jeep owners need how-to information on checking valve clearances and adjusting the hydraulic valve lifters on the inline 232, 258 and 4.0L six-cylinder engines and the 2.5L Jeep pushrod engine. Between the model years 1971 and 2006, Jeep used these AMC-design 232, 258 and 4.0L sixes and the 2.5L straight four-cylinder engine (1983.5-2002). The hydraulic lifter and valvetrain design has particular needs, especially the valve clearances. When these engines develop valvetrain noise, owners often think a valve adjustment will cure the problem. In each of these AMC/Jeep engines, v -
The 2013 SEMA and AAPEX Shows are next week (November 4-8, 2013)...I will be covering these record size events at Las Vegas, Nevada. SEMA expects over 2500 exhibits, and AAPEX has grown, too. Estimated attendance will be 140,000 at SEMA! As usual, you can expect film highlights in HD video at the 4WD Mechanix HD Video Network. By mid-November, I will also have details on the testing of Hypertech's Stage 3 Max Energy engine programming on the magazine's 2005 Dodge/Ram 3500 5.9L Cummins diesel powered pickup. We just loaded that software in time for the SEMA Show and will have 1,200 mi
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Speed...Yup, ethanol could be the culprit on the H-D, though two months would be short time for any damage...The needle could be stuck in its seat. Light tapping with a screwdriver handle at the float bowl will usually loosen the float needle. Quick story: My vintage Honda XR350R dirt bike set for over a year with no Stabil in the tank and "winter" (likely MTBE additive) fuel in the tank. The dual carburetors each had clogged, with the primary carb's pilot jet low enough to be submerged in the fuel bowl. The engine would not idle nor would it respond to mixture adjustments. I dropped the p
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CTEK is the Swedish developer and manufacturer of premier battery chargers endorsed by World Class automotive and powersports brands. In an HD video how-to, learn why CTEK chargers offer superior protection against battery damage, how to properly store and protect the battery in an RV, 4x4, ATV/UTV or motorcycle, and the unique way to recondition and recover a sulphated or badly depleted battery. At the magazine, a 14:46-minute HD video is available. Here is the trailer for that video coverage with a brief overview: Enjoy the video and discover ways to protect and preserve your
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Originally a Q&A Vlog question at the magazine, a Jeep owner has trouble with the gauges and engine tune on his early YJ Wrangler. I suggest several troubleshooting and diagnostics tools for checking circuits, grounds and voltage drops. The use of a volt-ohmmeter, lamp load test and other techniques apply. Wiring integrity and proper splices are also discussed: Trust you'll find this helpful... Moses
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The magazine's YouTube Channel generates a lot of questions, and I encourage viewers to join us at these forums. A current exchange involved a viewer installing a 4.0L Jeep water pump and asking about how to seal the gasket and engine-to-block. This is worthwhile for our forum community, here is the discussion: Question from Ben D.: Did you use Gasgacinch between the water pump gasket and block? Looooong time ago I remember using RTV. Was it necessary? My reply: I like Gasgacinch on a cut paper gasket like the water pump. RTV can slough and find its way into the radiator tubes a
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One of the best lessons learned from years of instructing and our forum discussions is the value of visual learning! Now, the innovative Vimeo On Demand streaming HD video program enables the streaming of 4WD Mechanix 'Tech and Travel' How-to Series HD videos covering a wide range of subjects. Under the 4x4 hood and chassis, on the motorcycle repair stand or from the work bench, I'll deliver step-by-step, close-up HD video details for shop technicians and serious DIY enthusiasts. As you would expect, the growing list of instructional videos will demonstrate best professional practices an
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When you find that your engine repair includes cylinder honing, apply this process properly. The optimal honing finish will have the right cross-hatch pattern with correct angles. If you're unsure of the right "look" or angles, look closely at the photo below, the magazine's cylinder barrel after machine honing at L.A. Sleeve Company: Hand honing will involve the correct diameter stone hone or flex hone ("glaze buster"). Your cross-hatch pattern will depend upon the right pressure and speed of the hone as you run it up and down in the cylinder. At our tools forum, you will find m
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We all know the value of anti-freeze/coolant. Anti-freeze is essential for preventing casting cracks when you park the vehicle in freezing weather. By contrast, the coolant properties raise the boiling point of the solution, making our modern engines tolerate higher operating temperatures, which can provide more complete combustion of fuel and cleaner tailpipe emissions. Higher pressure radiator caps also help raise the boiling point. Every liquid cooled engine parked at below freezing temperatures requires anti-freeze. Specifications call for anti-freeze/coolant that is compatible with en
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With the growing interest in aftermarket radiators, performance and "aluminum" appear to be interchangeable terms. The Griffin radiator in our 1999 Jeep XJ Cherokee is just one example, there are many. Even OEMs have turned to aluminum when high performance efficiency is necessary. The 1999 Jeep XJ Cherokee with aftermarket performance radiator. Note the stiffer aluminum necks on these radiators. Gear type hose clamps work much better with these radiators. Aluminum radiators have aluminum necks. These necks can be stiffer and thicker walled than the traditional brass and
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Many of us know what 4WD or OHV products we would like to get next. As we move into fall and the perfect season for dirt motorcycle and ATV riding, or taking an SUV or 4x4 into the changing seasons at the backcountry, there are many items that make our wish list. Whether you're thinking about four-wheel drive accessories or aftermarket products to enhance your outdoor lifestyle, please share with us! We'd all like to know what others have discovered or find most useful for traveling to distant destinations and into the backcountry, including camping, hunting, fishing and overall recreati
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If you are looking for a way to keep your stuff from pounding around inside or outside your vehicle, the answer might be here: End of the Road Inc. from Nashville makes rubber anchors called "Quick Fist Clamps" for anchoring all kinds of stuff for both easy access and to keep items in place as you bounce over the rocks and ruts in your explorations of the back country. It appears they began by making stuff to keep fire and emergency tools safely stowed on trucks. Their solution seems to be a great fit for off highway vehicles. They offer a wide range of clamps, straps, and brackets t
