This section deals with the nitty gritty details of Jeep tech related topics like Jeep models, engines and drivetrains. You could find details of a particular model year Jeep or specifications of a Jeep’s transfer case. Even information on Jeep engine swaps and axles. You won’t find reviews or projects here, for that check out the Projects and Installs page.
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Jeep Vehicles Tech
Here you find all kinds of technical information and how-to articles about Jeep vehicles. Special models, new models and some old ones so much to read here.
Determining the Tire Contact Patch
You buy new (and larger) tires and possibly wheels for your Jeep and you wonder what’s the proper pressure. It’s often different than the stock tires since the larger tires are …
4 Door Wrangler JK Freedom Top Hanger DIY
This home grown hard top storage solution by Shawn (RedRockJK) Ayres is an inexpensive and effective way of storing your 4 door Jeep’s hard top. We added a bit to his great idea along the way.
Jeep Wrangler JK 2 Door and 4 Door Trail Comparison
A side by side comparison of the two JK’s on the trail. Last weekend a few of us tackled some trails for the day at Rausch Creek Off Road Park in PA. It was a beautiful fall day, the leaves were …
Jeep Wrangler JK 4 Door 2 Year Review
As of February 2009 the jeepfan.com JK Wrangler is 2 years old. 28,000 miles, 2 PA State Inspections, 3 sets of tires, and 2 lifts it’s still just as fun to drive as the day it rolled off the …
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Identifying Jeep Vehicles
Trying to identify your Jeep or one you are looking to buy? Maybe you just want to become an expert at identifying Jeeps?
CJ Renegade Spotters Guide
A guide to identifying CJ Renegade Jeeps Jeep started the Renegade option in 1970 on the CJ-5 model and continued it all the way to the end of the CJ series in 1986. Renegade models offered special …
Spotters Guide to the 72-75 AMC CJ-5
Identifying a Jeep – An In-depth Spotters Guide to the 72-75 AMC CJ-5. When AMC acquired the Kaiser Jeep Corp in 1971 they made many changes to the Jeep line starting in 1972. Identifying a …
Jeep Vehicles VIN Reference Guide
Decoding Jeep VIN Numbers The Vehicle Identification Number, or VIN is important for many reasons. Most of these reasons have nothing to do with us owners. But to a serious Jeeper the knowledge of …
Jeep Spotters Guide
Below is a chart giving information on various commonly found Jeep vehicles including model years, names, tech info, etc…If you find any discrepancies in this chart or have any thing to add click here …
Jeep Engines Tech
We all are chasing engine technical information from time to time. From error codes to oil capacity.
Carter BBD Carburetor Alternatives – Part 2
Recap: In the last few years of the CJ series and the first few years of the Wrangler YJ Jeep outfitted the 4.2L (258) 6 cylinders with an electronic carburetor referred to as the BBD. The Carter BBD …
Jeep Wrangler Pentastar 3.6L Oil Change
The jeepfan.com 2012 Wrangler Rubicon hit 3588 miles and the Change Oil indicator started showing on the instrument cluster after every startup. Time for the first oil change..
BDS Jeep Wrangler JK 3.6L Exhaust Extensions
PRESS RELEASE: New for 2012 is the Pentastar 3.6L in the Wrangler and Wrangler Unlimited models. For those of you looking to lift your new 2012 JK, the factory exhaust crossover pipe is in close …
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Jeep Tires Tech
Tires are such a common upgrade to our Jeeps, making the right choice can be a challenge.
What Tires Fit?
We put together a little reference guide for those of you wondering what size tires will fit under your Jeep. These are general guidelines, your vehicle may be different. We are only going to cover …
Checking Tire Pressure – Determine Correct Pressure
How to figure the correct tire pressure for larger tires. This article was spawned from a continuing conversation from our Jeeping friend Bob in his quest to get his JK handling correctly. If your …
Jeep Wrangler JK 5 Tire Rotation
Having a Jeep with 5 full size tires means that tire rotation should include the spare. While some Jeep owners choose to leave out the spare in rotation for varying reasons like different size/type …
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Jeep Wheels Tech
Along with tires, wheels are a common upgrade to a Jeep. There’s so much more than just picking a style you like. Making sure they fit correctly is an important factor in choosing wheels.
Wheel Terminology
WHEEL TERMINOLOGY Offset: The distance from the centerline of the wheel to the face of the mounting surface of the wheel that contacts the hub. Negative offset: Indicates the mounting pad is behind …
What Jeep Wheels Fit?
Often we get questions on what tires fit on what kinds of Jeeps with this or that lift, etc. In addition we get many questions asking on what jeep wheels fit on this particular Jeep or that. The Jeep …
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Jeep Suspension Tech
Lift kits and suspension mods are maybe second to tires and wheels. We discuss all kinds of options and how to pick the correct lift for your Jeep.
Jeep Spring Lift vs. Spacer Lift: Benefits, Differences, and Costs
When it comes to lifting a Jeep Wrangler TJ, JK, JT or JL, two of the most common approaches are spring lifts and spacer lifts. Both raise the ride height, but they do so in very different ways, and …
What Tires Fit?
We put together a little reference guide for those of you wondering what size tires will fit under your Jeep. These are general guidelines, your vehicle may be different. We are only going to cover …
Jeep Wrangler JK Alignment
After the installation of a lift on a Jeep an alignment will make sure the Jeep tracks correctly down the road and prevent premature tire wear. Unlike a typical car the Jeep Wrangler continues the …
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Jeep Bumpers, Exterior and Armor Tech
Jeep Wrangler JK Front Bumper Guide
Since the JK introduction in the 2007 model year many many different manufacturers have designed bumpers in all shapes and sizes. Some are classy, some bulky and ugly. Many have winch mounts, air …
Protecting Your Jeep’s Underside – The Suspension, Steering, and Exhaust
Some components under your Jeep are vulnerable and are often overlooked. The suspension, steering, and exhaust system are key components that your Jeep needs to have protected.
Protecting Your Jeep’s Underside
Most Jeeps come factory with some protection for the basic parts underneath. The gas tank, transmission, and transfer case are usually among the factory protected. Sometimes the factory protection is …
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Jeep Chassis and Body Tech
The What’s & Why’s of Powder Coating
information provided by Absolute Powder Coating, LLC Let’s start with the WHAT’S? Powder Coating was first used in Australia in 1967. It was developed when they found a formulation for a …
Jeep CJ-5, CJ-7, and CJ-8 Scrambler Frame Dimensions
The following images outline the frame dimensions on late model (76-86) CJ vehicles. These images can come in handy when attempting to straighten or customize a Jeep frame. Also see CJ-5 Frame …
JK Wrangler Freedom Top Panel Installation
Stop the Leaks! A reader sent in this article to us and we liked it so much we put it here for others to benefit from it too. Many JK owners out there have experienced leaks with from the Freedom Top …
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Jeep Electrical Tech
How to Tune a CB Radio with a Workman SWR Meter
Using Simple Tools for Better Communication. Whether you’re driving a Jeep down a dusty trail or communicating with your Jeep convoy, a CB radio is still a solid tool in the toolbox. But even the best …
Wiring Basics – Components
At some point a Jeeper decides to install a new gadget or modify an electrical component. Often these electrical items are a CB radio, auxillary lights, or a piece of audio equipment..the list goes …
Adjusting JK Wrangler Headlights
The new JK Wrangler uses new style headlight lenses with bulb inserts instead of sealed beam bulbs found in previous model Jeep Wranglers and CJs. After installing lift kits and/or larger tires you …
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Jeep Gear Tech
CB Antenna Selection and Mounting Considerations
CB Antenna Selection and Mounting Considerations by Right Channel Radios, article reprinted with permission. There are a large number of CB antennas on the market and it can be a daunting task …
GoPro Hero Cameras – Capture the Moment
Nothing is more enjoyable tackling some challenging trails and having your vehicle (and you) surviving to tell about it. Even better, capture the moment on video to relive the experience and prove it …
Winch Snatch Block and Tree Strap – Winch Gear
Having a winch on your Jeep is almost as standard as a lift but having the right winch accessories should be standard too. A winch snatch block and tree strap should be a standard addition to your …
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Jeep Driveline Tech
Toe, Caster, and Camber – What does it mean and how to adjust it.
Jeep Steering Alignment 101 – What do these terms mean?
Jeep Tech – Transmissions
The Jeep transmission pages cover stock Jeep transmissions and transmission swaps in Jeep vehicles. Stock transmissions used in Jeeps from 1941 until 1999 are covered in detail. There are articles …
Jeep Wrangler YJ Axle Swapping
So, you’re considering an axle swap. Many Jeepers do them, even though they SEEM complicated. In reality, they are not really hard at all – given you do some basic planning before-hand and …
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Jeep Driving Tech
Trailering Safety and Trailer Hitch Information
by Jeff Jackson When you are pulling a trailer or load of any kind, one thing is undisputed: trailer towing is a special situation which places demands on your driving skills, and on your tow vehicle. …
Jeep Quadra-Trac 4wd System
The Quadra-Trac name is used on a variety of Jeep full-time 4WD systems. It was available on several Jeep vehicles over a span of years. Often the name Quadra-Trac name was used to refer …
4xe in Winter – Getting the Oil Hot Enough
If you live somewhere cold it’s only a matter of time until your Jeep enters FORM and getting it out to go back to normal operation hybrid/electric operation is usually a matter of getting the …
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Jeep Garage and Tools Tech
Removing Seized Nuts and Bolts
This article attempts to allow you to arm yourself with knowledge about removing stubborn fasteners. The items are listed from what we believe is a first to last resort. Happy wrenching, or in this …
Tap and Drill Bit Size Chart
Tap and Drill Bit Size Chart The charts below show you what size drill bit to use with a tap. Tap sizes are shown as hole size – threads per inch. Example 1/4-20 = 1/4″ hole, 20 threads …
What is ISO? – International Organization for Standardization
What is ISO? – International Organization for Standardization The International Organization for Standardization (ISO) is an international standard-setting body composed of representatives from …
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Pot Luck
Here’s a random pick of all the articles that deal with Jeep tech.
Understanding Jeep Transfer Cases: How They Work and Which Models Matter
We always get questions about a Jeep’s transfer case and it surprises me how many people don’t fully understand what this thing attached to the Jeep’s transmission does. A Jeep …
Jeep Renegade Concept
Hybrid, 110 MPG, Offroad Capable, Futuristc Styling PRESS RELEASE Jeep has revealed it’s latest Jeep concept vehicle called the Renegade at the North American International Auto Show. The …
Jeep Commander
Bigger Inside That extra height is there to make the middle and rear seats friendlier. The roof steps up more than 3 inches just behind the front seats, effectively hidden by the standard roof rack. …