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Old 06-25-2014, 10:06 AM
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"Guam Bomb" help

I guess I'll begin with short time reader, first time poster! I was debating on which thread this was most proper, and decided tech becasue it fit the bill a little better.

So, I bought my first Jeep, a car I have wanted since childhood. I have a 2001 Wrangler Sahara, 4.0, 5-speed. I will be taking my jeep back to the states with me from Guam, but since things can have the habit of being a bit terse around here due to moces, packputs, etc, I didnt have more than a few days to decide to buy or not to. It has 104K miles on it, and seems to run without any real issues. However, problem #1 is the fact it has lived on the most corrosive Island in the world for 8 years. Checking the undercarrige, there is no rust to speak of, save for some minor spots (I at least checked that before I bought the car). There are a few other spots on the body, but it is fairly clean all things considered. I did a few things, I thought would help with reliability (given my prior experience with cars, I used to race professionally in a past life), I changed the clutch and flywheel, had a general tune-up, flushed the transmission and diff, changed the rear shocks, and changed every fluid in the car I could think of, and an oil filter. I also had to have a head gasket and oil pan leak fixed, they replaced both gaskets, no more leak. With all that said, I was looking for tips on how to enhance reliability. I love this jeep, and want to make it last as long as possible. It might make some of you smile to know I rid myself of a 2011 Tacoma 4X4 to buy this instead. My next duty station necessitates a turn radius other than 8 lanes of traffic, and something a little more deft.

The issues I have so far are,

1. If shifting at moderate speed, 2nd gear has a tendency to crunch a bit. I allow the shifter to center to neutral, and then shift to second and there is no crunch. Anything I can fix? It also grinds into first if I try to downshift without Heel-toe at anything above 1 or so MPH. Ive done some research, but nothing seems to acdress the exact issue. It also rattles on shut-down, and randomly when backing up, but not often... maybe check the motor mounts?

2. Some kind of high pitched but low volume whine, not from the rear end (unspecific, I know). I do not believe it is a belt, it seems electrical because it is so high pitched and low in volume. I also cant find a diagnosis anywhere on here.

3. A/C doesnt blow cold. Fans work, heat works, but no cold air. That is also unspecific, but it seems to be a multitude of issues mixed together, maybe you guys have some insight. Sorry if I am just re-treading old threads.

4. Fog lights were stuck on, prior owner had to pull the fuse to get them to turn off. Great.

5. Passenger airbag light comes on at various times.

6. Door hinges on the half doors are a bit rusty, do they have a tendency to rust through, or are they generally fairly solid?

7. Apparently Guam is dusty, as is every surface in the jeep.


The engine feels strong, but I havent pushed it, I am not sure how resilient these things are at higher RPM. It is also a joy to drive something that feels open. I am fairly mechanically adept, and can chilton my way out of most problems shy of replacing a camshaft or anything involving top-dead center. Suggestions on publications to buy?

Anyhow, I apologize for the long and possibly already covered post. Please dont think I havent scoured the TJ forum for info, but these issues seem to either be composites, or wholly unrelated to others. If I have tried your
patience it was wholly unintended. Thanks for your time, your knowledge base, and your jeeps!

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Old 06-25-2014, 10:07 AM
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Also should have spellchecked, yeah sorry about that.

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Old 06-25-2014, 11:28 AM   #3
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I have a few thoughts that may help you.

Sounds like worn synchros in the trans, from fast shifts.
Most Jeep transmissions are happiest when you shift them as you describe above. Jeep trans do not like to be shifted fast.
You can try to drain the trans fluid (check for metallic contaminants indicating synchro wear), replace with a good synthetic (Redline, Amsoil) of the appropriate grade, see if that helps the grinding.
Shift slow, with a pause in the neutral gate. Always.

Avoid Chilton, and Haynes. They aren't even good doorstops. Get a Factory Service Manual. Search this forum, someone can probably direct you to a free copy you can download.

Door hinges. Remove the doors, clean and lube the pins. You can replace the inner sleeve of the hinge (tap it out from the bottom) with a nice Delrin set that don't bind:
Jeep Co-Op

Fog lights: You probably need a new stalk/switch. Search this forum for "fog lights won't go off"

Air bag light: You might need a new clockspring. These tend to corrode if they get wet, sound like your environment may have done it. Search this forum for terms "air bag light" and "clockspring"

Hope this helps, Good Luck!
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Old 06-25-2014, 04:36 PM   #4
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I bought my Jeep brand new in Guam back in 1997 and shipped it to the Pacific Northwest in 2003. I have no rust issues to date. For the 1st year though, every time I washed the Jeep, red dirt/clay would seep out in different places on the Jeep, as if it were bleeding. If you wheel your Jeep in Guam, this will happen...

1. What clutch did you replace the factory with?
2. Could be idler pully or leak in manifold. I am struggling with an engine whine myself
3. Check system for leaks, recharge.
4. Replace switch
5. Perhaps clean contacts.
6. Solid
7. My Jeep is dusty too, when it doesn't rain - the forest service roads are dusty here in Oregon.



Quote:
Originally Posted by MH-60S View Post
I guess I'll begin with short time reader, first time poster! I was debating on which thread this was most proper, and decided tech becasue it fit the bill a little better.

So, I bought my first Jeep, a car I have wanted since childhood. I have a 2001 Wrangler Sahara, 4.0, 5-speed. I will be taking my jeep back to the states with me from Guam, but since things can have the habit of being a bit terse around here due to moces, packputs, etc, I didnt have more than a few days to decide to buy or not to. It has 104K miles on it, and seems to run without any real issues. However, problem #1 is the fact it has lived on the most corrosive Island in the world for 8 years. Checking the undercarrige, there is no rust to speak of, save for some minor spots (I at least checked that before I bought the car). There are a few other spots on the body, but it is fairly clean all things considered. I did a few things, I thought would help with reliability (given my prior experience with cars, I used to race professionally in a past life), I changed the clutch and flywheel, had a general tune-up, flushed the transmission and diff, changed the rear shocks, and changed every fluid in the car I could think of, and an oil filter. I also had to have a head gasket and oil pan leak fixed, they replaced both gaskets, no more leak. With all that said, I was looking for tips on how to enhance reliability. I love this jeep, and want to make it last as long as possible. It might make some of you smile to know I rid myself of a 2011 Tacoma 4X4 to buy this instead. My next duty station necessitates a turn radius other than 8 lanes of traffic, and something a little more deft.

The issues I have so far are,

1. If shifting at moderate speed, 2nd gear has a tendency to crunch a bit. I allow the shifter to center to neutral, and then shift to second and there is no crunch. Anything I can fix? It also grinds into first if I try to downshift without Heel-toe at anything above 1 or so MPH. Ive done some research, but nothing seems to acdress the exact issue. It also rattles on shut-down, and randomly when backing up, but not often... maybe check the motor mounts?

2. Some kind of high pitched but low volume whine, not from the rear end (unspecific, I know). I do not believe it is a belt, it seems electrical because it is so high pitched and low in volume. I also cant find a diagnosis anywhere on here.

3. A/C doesnt blow cold. Fans work, heat works, but no cold air. That is also unspecific, but it seems to be a multitude of issues mixed together, maybe you guys have some insight. Sorry if I am just re-treading old threads.

4. Fog lights were stuck on, prior owner had to pull the fuse to get them to turn off. Great.

5. Passenger airbag light comes on at various times.

6. Door hinges on the half doors are a bit rusty, do they have a tendency to rust through, or are they generally fairly solid?

7. Apparently Guam is dusty, as is every surface in the jeep.


The engine feels strong, but I havent pushed it, I am not sure how resilient these things are at higher RPM. It is also a joy to drive something that feels open. I am fairly mechanically adept, and can chilton my way out of most problems shy of replacing a camshaft or anything involving top-dead center. Suggestions on publications to buy?

Anyhow, I apologize for the long and possibly already covered post. Please dont think I havent scoured the TJ forum for info, but these issues seem to either be composites, or wholly unrelated to others. If I have tried your
patience it was wholly unintended. Thanks for your time, your knowledge base, and your jeeps!
__________________
1998 TJ Moss Green Sahara w/ numerous scratches & dents whose playground is on a tropical island that's 33 miles long and 4-12 miles wide, in year-round 82 degree weather

Edit: "Now jeepin in Oregon"
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Old 06-25-2014, 05:02 PM   #5
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Quote:
Originally Posted by lynn View Post
Fog lights: You probably need a new stalk/switch. Search this forum for "fog lights won't go off"
On my jeep, it was called a "multi-function" switch... it includes the light/turn signal/fog light switches. I bought mine at orielly's or auto zone for around $60. Searched youtube and found video showing how to do it... Took 30 min or less.
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Next mod - I am going to replace the accelerator cable to see if I can increase my power and acceleration!
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Old 06-25-2014, 05:05 PM   #6
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As for ac, a quick freon recharge kit took care of my ac not cooling. Easy job if you buy the stuff with hose and guage.... it will only connect onto the correct fitting, so it is almost foolproof.
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Next mod - I am going to replace the accelerator cable to see if I can increase my power and acceleration!
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Old 06-25-2014, 09:43 PM
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Just tried the freon recharge fix, no luck. With the engine on I heard the compressor surging and watched the pressure follow the surges. Like I said, the fan works, but no cold air and the freon pressure seems fine. Any suggestions?

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