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Showing results for tags 'Jeep how-to'.
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There has been a long thread of exchanges at Timmy960's topic on harsh shifting after rebuilding an AX15 transmission. The problem around 3rd/4th gear shift issues has a basis in the redesign of the synchronizer sleeve, bronze blocking rings and the third gear cog teeth for the sleeve engagement. Jason Logan and I had an exchange about this issue when he rebuilt his '99 TJ Wrangler unit. That exchange was just prior to the launch of the forums. For the benefit of all AX15 rebuilders, I am starting a new topic around this issue, beginning with the in-depth Q&A exchange that Jason Logan -
Hello, Moses! Can you guide me on how to change ATF in my 1994 Jeep ZJ Grand Cherokee 4.0L 42RE transmission? How will I change fluid if I want to also change fluid in the torque converter? Can I do this thru the line going into the radiator? How many quarts do i need to change? Thank you... Mario Bedayo -
There you go, Moses! It's going to be my first attempt at an engine rebuild... Starting the tear down. This Jeep spent most of its driving life on a tow bar being towed to NY for the hunting season. The engine has very low actual miles on it.
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Hi! Moses, how are you? can i ask your advice regarding the tranny swap for my 242 1994 grand cherokee limited awd. i want the manual 5 speed , can do that ? can you please guide me what to do and the parts that in going to buy either a serviceable one , i know i can get it in ebay. my 42RE is going to end and theres no good repair shop here for the tranny 42 RE and it will cost me a big amount . Thank you. Mario Bedayo Philippines
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Moses, your website has been extremely useful for me while working on my 1989 Jeep YJ Wrangler 2.5L TBI engine. I have used it for testing just about everything on my jeep. I have replaced several items because of extremely high emissions. Today was the 4th pass through the test, and I finally passed my emissions test. I have replaced the ignition coil, ignition control module, spark plugs, cap and rotor and set the base timing, map sensor (because it did not hold vacuum), coolant temp sensor and my fuel injector. With all of that, my emissions finally were within spec. I am still ha -
At random times I start my 1990 jeep wrangler tbi. It starts fine but its idle will go up to 3500 and stay there until I shut it off. But I go to restart it and it starts normal -
Hello all. Newby on this forum. I'm dealing with a '89 Wrangler with the 4.2 and an auto trans. The rig has about 165,000 miles and I don't believe there has been any work done to the 4.2. The original BBD stepper carburetor has been replaced with a non-stepper BBD, but all else appears factory. The owner has not been able to get the rig through emissions testing and has asked me to help. I am not overly familiar with the 4.2 and much of the information I have seen seems contradictory, so...Here is where I ask for your help. The base timing will change by merely revving the engi -
Recently, I've found time to catch up on some XJ Cherokee care. Our '99 had issues with the power window/door lock system, the A/C dash panel air flow and the "No Bus" gauge drop-off problem. Each of these problems is common to the XJ Cherokees and TJ Wranglers, making forums all over the internet. On our Cherokee, I worked through the troubleshooting and solutions for each. If your Jeep XJ Cherokee or TJ Wrangler is experiencing erratic dash panel air flow with the heater or A/C controls set to different positions, you'll want to check out this new article at the magazine: http://www.4w
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We had a pretty good weekend at the Moonshiners 4x4 swap meet in Puyallup. Picked up a new 12 circuit wiring harness made in the US of A by a company called Rebel Wiring over in Tennessee. Also found a new back seat, some very clean Buick V6 valve covers, and probably the best find of the weekend, a new adjustable roll-around shop stool for $5. Between that and building snowbike wheel kits I haven't spent much time working on the Jeep project. I did get the Spicer 18 assembled on Friday. It went together fairly easy with the help of my Jeep book. I also came to the conclusion that my magnetic
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So I am in the process of a total restoration on my 67 CJ5 v6 225 and have reached the transmission rebuild. I found a damaged first/reverse sliding gear and cluster gear. Question is should I pay the high cost of the t86 gears ( cluster $ 220.00 / first gear $ 125.00 ) or do I find t-90 parts and convert it? The first gear is almost impossible to find, I only found one after a week of searching. I would have to find used T-90 parts to make it cost effective but then there are no guarantees I will spend less to convert than to just get the t-86 parts. I do not plan on abusing the jeep off -
I have a 95 YJ 4 litre let's running extra rich. It will foul out the spark plugs with carbon fouling within a few minutes. Let me start at the beginning, I bought this Jeep running terrible. I was told it had a dead battery while jump starting they hooked up the cables backwards. I thought this was probably true due to the fact that both alternator fuses were blown. I drove it nine miles home and went through over 4 gallons of gas. Most of that ran out the tailpipe or was dumped into the crankcase. The number 5 and 6 injectors we're running fuel anytime the key was in the run position. -
I have a cj7 that I am going install an AMC 360 with Howell injection, mild cam, and a little head work. My question is how well will the Borg warner t5 held up? Bad idea? Or is swapping to a np435 or nv4500 mandatory? -
Moses, How are you? im going to ask you some question, i want to use the comp cam 252 is it possible to use the stock lifters push rod and springs? also what is the push rod height ? 9.639 is ok?, im just asking again your advice, i will follow your advice regarding to collapse the lifter first , pls. also guide how to tighten the rocker arm and the push rod.or is there any article or video that i can follow how to do it. your recommendation .... thanks. Regards to you Mario from the philippines.
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AMC/Jeep® always leaned forward in both car and utility vehicle designs. By the mid-'80s, the CJ needed a contemporary replacement, a vehicle with wider track for handling and a better highway ride package. The Wrangler emerged just as AMC sold to Chrysler, and the Wrangler and XJ Cherokee were the profit items Mopar wanted! The Wrangler four- and inline six era represents huge growth in the 4WD/SUV market overall, and there are huge numbers of enthusiasts, owners and buyers who can build a "community" at this forum! —Moses Ludel At left is an '87 YJ Wrangler, leaf springs articulating
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I've been a Jeep enthusiast since 1997. My first Jeep was a 1982 CJ8 Scrambler. One YJ and 4 TJs, the current one being a 2004 Rubicon with 52,000 original miles and trail modified. I have been experiencing the famous P0301 trouble code very intermittently unless it was cold outside, then it was steady. Rain or shine didn't seem to change anything. I live in Minnesota where winters are cold. Started with the obvious tune-up, copper plugs and the coil rail. Battery connections, grounds, injector cleaning and replacement, throttle body cleaning. The works. Could not isolate the -
I understand that many people get "noticeable" power gain by tuning the ignition timing on the Jeep 2.5L TBI four-cylinder engine. Some relocate the IAT in a cold place (cheap but small power gain) and others drilled a new position for the CPS to get 3-4 degrees variation. CPS relocation mod made me realize that timing can be tweaked by editing the signal going from cps to ignition module. I'm not into drilling the engine, so I called the italian AEB to get a controller (to be installed on the CPS line going to the ignition module) to adjust timing and they answered that is definitely doa -
Hi 4WD Mechanix, I love the site and am so happy you are fielding questions from common folk like me! Your troubleshooting guide for the 2.5L TBI helped me turn my limping MJ into a reliable daily driver! Current set-up: 1987 MJ, 2.5L with AX-4 manual transmission, 2WD. Future: I want to convert to the multi-port FI. I have all the equipment, ECU, harness, manifold, etc., from a donor engine. Question: Do I need to change the RENIX flywheel to the MPFI flywheel? I have the MPFI flywheel on my work bench (the RENIX is in the truck), but whether the flywheel needs to be cha -
Well, progress has been slow due to work and family, but I spent a solid 6 hours on the CJ-7 project last night. I bought a new clutch linkage kit, as my lower and upper clutch rods were worn half way through, and the bellcrank was a mess. The new kit has an adjustable lower linkage rod with a ball joint instead of the old bent solid rod. And.....cue swearing. The 4.0 swap exhaust routing must be slightly different from stock (it's some kind of welded header instead of a cast iron manifold) because the ball and socket joint whacks the exhaust down tube solidly when the clutch pedal com -
Member Spdljohn began a brake and chassis frame-off restoration topic that has now expanded into discussion of the use of a shackle reversal kit on a 1976-86 Jeep CJ-5, CJ-7 or Scrambler/CJ-8. Below is the topic thread that member Spdljohn began...Join us and share your experience with the shackle reversal kit! Moses
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Is there a manual transmission that can handle an 800 horsepower racing Jeep 4.0L stroker engine? I need a 2- or 3-speed only transmission. -
By 1972, AMC/Jeep Corporation was in full swing, producing the new generation Jeep 4x4s! This era represents the legendary CJ models that grew the brand to new heights and set benchmarks for engineering, design and sales. Join others who own and appreciate this unique group of vehicles, the 1972-86 CJ-5, CJ-6, CJ-7, Scrambler/CJ-8 and third generation AMC/Jeep Jeepster/Commando models!—Moses Ludel Moses Ludel's second Jeep® CJ Rebuilder's Manual, covering 1972-86 AMC/Jeep® models. These years brought the Jeep CJ to the forefront, and consumers flocked to outdoor lifestyles and the popula
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The magazine had the opportunity to test Pulstar® spark plugs in the 1999 Jeep XJ Cherokee 4.0L. These unique spark plugs received our extensive testing in the XJ Cherokee and the two Honda dirt motorcycles. The plugs work optimally with both gasoline and natural gas engines. The magazine article is available at: http://www.4wdmechanix.com/Testing-the-Enerpulse-Pulstar-Spark-Plugs.html. We will continue testing and discussing these spark plugs at the magazine and these forums! Here are our findings with the XJ Cherokee: 1999 Jeep XJ Cherokee 4x4 4.0L—This inline six-cylinder eng
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My 1987 Cherokee 4.0 liter is misfiring when started but when I have clutch depressed it runs fine. Does any one have any ideas? I think a bad TPS but don't want to throw money at something that won't fix it! -
This V-8 powered Jeep Grand Cherokee has a low-speed hesitation. I answered the owner's questions with engine and powertrain troubleshooting recommendations. The NV249 transfer case is also discussed: The information could prove helpful to Jeep ZJ Grand Cherokee owners and also Dodge Ram and Dakota owners with 5.2L V-8 powered trucks. Moses
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In this video discussion, I describe the symptoms of hydraulic clutch linkage leaks in 1987-95 Jeep YJ Wrangler models. Originally part of the Q&A Vlog at the magazine, the viewer's question refers to hard shifting and loss of hydraulic fluid. I share what causes these troubles in this how-to HD video on troubleshooting: Moses
