4
votes
unique alternator issue
My first thought is your ground wire to the trailer is not large enough causing a voltage drop to the rear battery.
However after some research turns out your alternator is controlled by the PCM and ...
4
votes
High beams work, low beams do not. What is wrong with headlight?
There are a few things that could be problems:
Confirm that the bulbs are good. I've seen it happen more than once that one bulb burns out and you don't notice, then the second bulb burns out and ...
- 14.5k
4
votes
Accepted
Blower Motor Location on my wrangler
Unlike most blower motors found under the passenger side dash, your blower motor is accessed through the engine compartment on the passenger side. There are three bolts holding it in place. Below is ...
- 888
4
votes
Accepted
90 Jeep YJ: Identify part on top of engine?
It's a Positive Crankcase Ventilation (PCV) valve. Not sure which engine you have or I would have given you a couple of part numbers.
Well, guess I can give you both:
4-cyl
FRAM FV200
Standard Motor ...
- 160k
4
votes
Accepted
What Does HRT mean on Scanner Tool?
I was wondering whether this should have been HTR for an oxygen sensor heater.
I then found this from here -
It would fit that the O2 sensor and O2 heater both have red crosses against them.
- 25.5k
3
votes
Accepted
Performance brakes on the front axle only. Bad idea?
It's not a great idea. Brakes are generally balanced to have 70% of the braking power in the front and 30% at the back, if you make your front ones very powerful you get unbalanced braking which can ...
- 17.1k
3
votes
Accepted
E-Brake/ Parking or Hand Brake not working (well barely)
Your Wrangler has drum brakes in the rear which are used for the parking brake, at least I'm not seeing anything else in the parts which are showing something else.
Since you heard some squealing with ...
- 160k
3
votes
Accepted
What does this ground cable connect to?
It should connect to the hood/bonnet.
I got this photo from here
I guessed it was from the hood and did a google search "jeep wrangler hood earth strap"
You can see the bolt hole in your ...
- 25.5k
3
votes
2007 Jeep Wrangler HOT OIL! STRANDED! HELP!
Does your "hot oil light" look like this:
Because that is the low oil pressure light. And it means your engine doesn't have enough oil to run. The engine will destroy itself if run without enough oil....
- 4,149
3
votes
Accepted
2003 Jeep Wrangler - Coolant Leak
Thought I would update the thread. Replaced the pump and the leak has stopped. When taking the pump off it looked like the source of the leak was the bottom seal of the water pump. Last time I ...
- 161
3
votes
High beams work, low beams do not. What is wrong with headlight?
Perform a continuity test on your combination switch. Get a multimeter and service manual for your vehicle and test the contacts with the switch in different positions.
- 12.2k
3
votes
All lug nuts come off without any warning and studs backed off
I would go with your thought that you didn’t torque them properly.
I would say that the bent one was the last one to hold onto the wheel while the others were getting “hammered” in by the rear face of ...
- 25.5k
2
votes
High beams work, low beams do not. What is wrong with headlight?
2003 owner and non-mechanic. Had an issue where high beams worked but only the passenger side low beam would work. How to diagnose and fix?
Take out both headlights and swap to see if you get ...
- 21
2
votes
2003 Jeep Wrangler - Coolant Leak
I replaced the water pump on my car last Fall and the seal started leaking again almost immediately. I read that 90% of seal failures on new water pumps are due to impurities in the coolant. Gates ...
- 2,127
2
votes
Accepted
Torquing pinion nut on pinion shaft—can it be done with tires on ground?
If you have enough clearance to fit under the Wrangler, there's no mechanical reason you cannot do this while the vehicle is on the ground. Torquing the pinion nut with it on the ground will not cause ...
- 160k
2
votes
Accepted
2012 Jeep Wrangler JKU turn signal, horn and wipers stopped working
I found at least one solution that seems to have worked. Unhook the battery, wait 10 minutes and then hook it back up. This forces a computer reset and magically everything started working again. When ...
- 121
2
votes
Accepted
Changing lock mechanisms on doors of Jeep Wrangler
A quick check on Amazon shows a lockset for less than $15. If they were my doors, I would replace the cylinders. Show the buyer the paperwork for the new cylinders and give them the new keys. Then the ...
- 20k
2
votes
Jeep Wrangler 2015: What is this part under the hood? And, now that I burned plastic on it, should I replace it?
It is an oxygen sensor (lambda sensor).
Nothing to worry about.
- 25.5k
2
votes
unique alternator issue
I'm assuming the engine in your Jeep is a 4.0. The voltage regulator is a part of the PCM, this is a PWM system that operates up to 100Hz and can field the alternator at 100% by fully grounding the ...
- 10.7k
2
votes
Should the 5th wheel be included in the tire rotation?
There are several patterns of rotation for vehicles.
When a vehicle has a space saver spare then patterns of side to side, cross or front to rear are applicable.
As you have a full size spare then ...
- 34.7k
2
votes
intermittent loss of brake pressure on a 2012 jeep wrangler
I had the exact same problem in my 2012 jku. Ultimately it was the ABS pump. There are videos out there showing how when the ABS valves malfunction fluid shunts can occur that give sudden loss of ...
2
votes
Accepted
Abnormal Fan Switch Voltages?!? '99 Wrangler SE/TJ fan issues
What you're seeing is normal for most non-electronically controlled fan motors. Those are a different story.
How these work is to have the circuit from the +12V line through a switch that then ...
- 12.1k
1
vote
Accepted
What type of soft top is this?
I think it is typically called a "bikini" top. There's different models and styles, but this name usually encompasses what you're looking for ... I did a quick google search and it showed ...
- 160k
1
vote
intermittent loss of brake pressure on a 2012 jeep wrangler
If this happens after you've been braking quite a bit shortly before the incident, it could be boiling brake fluid. Brake fluid is hygroscopic and will absorb moisture from the air. When the moisture ...
- 3,420
1
vote
Jeep 4.0 inline 6 engine won't turn over by hand, need help
More than likely when the engine sat for so long, one or two of the cylinders (open to the elements via an open intake or exhaust valve) became rusted. When you turned it over, it forced the piston ...
- 160k
1
vote
Accepted
What Are the body trim Specs of this 2000 Jeep Wrangler
That would be an SE if anything. (I was finally able to see the video.) Sahara is a special edition which has specific graphics on it, which this one does not have. A Sport would have the decals on it ...
- 160k
1
vote
intermittent loss of brake pressure on a 2012 jeep wrangler
2024 update to intermittent brake loss. Replaced ABS module but problem returned. Re-replaced master cylinder and problem has been corrected permanently. Likely defective master cylinder or install.
1
vote
Accepted
Accessing defrost vents (removing dash?) on 2010 Wrangler Rubicon 2-door w/o power windows
I have lots of general experience in this arena, but not particular experience on that particular Jeep instrument panel.
Lets address that finish panel around the radio. My guess is that screw is ...
- 6,569
1
vote
What are the consequences of driving my car with low coolant for five minutes without reaching the limit on the temperature gauge?
It doesn't sound like it's likely you have any lasting damage as you didn't run out of coolant, it just got low and you caught it fairly early. It could be a straightforward coolant leak from a hose ...
- 17.1k
1
vote
ignition coil or cam sensor or pcm making misfire in exhaust possibly?
If the coil is firing at all, there shouldn't be an issue.
Carefully double check your spark plug wire locations (firing order). It would be very easy to have them in the wrong locations. Check each ...
- 160k
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