'05 WK Hemi high mileage list of problems - Page 2 - JeepForum.com
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post #16 of 54 Old 02-01-2018, 03:13 PM Thread Starter
99sajeep
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On to the new issue...radiator is leaking.

Started noticing a small drip under the driver's-side corner right off the bottom the radiator tank. Over the last few weeks, it's gotten steadily bigger. Not losing coolant too fast or anything, so I've put off the repair for awhile as I continue to shop for part prices.

After lunch today, though, it's gotten worse. I had already order a new Mopar radiator and hoses this morning. Looks like I'll just be able to make it home and I'll have to drive my old '93 Explorer (hunting truck) for the next week until all the parts come in.

Fun stuff!!!


'99 WJ 4x4 Ltd 4.7L (sold)
'05 WK 4x4 Ltd 5.7L (mine) 200k+ club
'01 WJ 4x4 Laredo 4.7L (daughter)
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post #17 of 54 Old 02-02-2018, 10:21 AM
Raffish
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182K miles on copper plugs!?!?? Do you have a picture of those??
RA sells them for $1.65 each btw

05 WK Limited 5.7, QDII, OME HD, 265/70/17 1.25" Spydertrax, CC, MBRP SS, 250xxxkms
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post #18 of 54 Old 02-02-2018, 08:14 PM Thread Starter
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It was just under 170k miles...



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'99 WJ 4x4 Ltd 4.7L (sold)
'05 WK 4x4 Ltd 5.7L (mine) 200k+ club
'01 WJ 4x4 Laredo 4.7L (daughter)
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post #19 of 54 Old 02-09-2018, 07:56 AM Thread Starter
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Hemi radiator replacement

Started the process of removing my radiator out of the GC last night.
Got started at 6:30 pm with this...


At 8:15 pm, I decided to stop for the night and was at this point...


2 hrs of work and it really doesn't look like much is done! But...

I have the power steering cooler removed, air box removed, coolant tank removed, core support cross-member removed, trans lines disconnected, radiator unbolted, fan shroud unbolted.
The radiator is very close to coming out. But I need to disconnect the power steering lines from the fan shroud and move it out of the way. With an extra set of hands, I could probably pull the radiator out as it sits, but that would required holding the fan shroud back towards the engine enough to wiggle the radiator out.

I'm going to take my time and do this the right way... Plan is to continue again on Saturday morning. (We have rodeo and a concert tonight!)

'99 WJ 4x4 Ltd 4.7L (sold)
'05 WK 4x4 Ltd 5.7L (mine) 200k+ club
'01 WJ 4x4 Laredo 4.7L (daughter)
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post #20 of 54 Old 02-09-2018, 08:20 AM
JWow
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Our Ď05 has 164k. We have had it a few months and have replaced the valve cover gaskets that were leaking, the rear main seal that was leaking, the left front control arm, and tie rod end, the rack and pinion steering system, the shocks and struts, and had a 2Ē rough country lift installed while they were replacing the shocks/struts. I think the kid took it off road, but didnít slow down...or tried to jump things. LOL.
We are about $2500 of repairs in...and I fear much of the suspension items we had installed will be replaced as we just had them replace broken and worn out items with stock.
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post #21 of 54 Old 02-12-2018, 08:35 AM Thread Starter
99sajeep
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Got back into my radiator replacement struggles again on Saturday!

Decided I wasn't going to half-a** the process and went ahead and pulled this ugly beast out of my way. It really wasn't hard to disconnect all the lines. I did not use a tool, just used a pick on the retainer clips and it all came apart relatively easy...


Once out the way, you can really see how much more room you have to work the radiator out of the way. Now I don't have to worry about damaging the AC condenser...




Radiator is out!


Side by side comparison. New replacement (left) is a Mopar unit. Looks bigger in the pic, but they are identical. Older & dirty one on the right.


After a total of 6-1/2 hours of work (3 hrs to get out, 3 hrs to get back in, plus a little clean-up time...), it's was finally all back together!


I initially figured on between 6-8 hours to complete the job. Taking the fan unit out added some time, but made all the difference in making the job easier! I wouldn't suggest trying to wiggle the radiator out with it in place. Just not worth the struggle.

'99 WJ 4x4 Ltd 4.7L (sold)
'05 WK 4x4 Ltd 5.7L (mine) 200k+ club
'01 WJ 4x4 Laredo 4.7L (daughter)
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post #22 of 54 Old 02-12-2018, 08:38 AM Thread Starter
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One other thing...in pulling the fan unit out, I discovered a damaged o-ring on the pressure line coming off the power steering pump. The o-ring was hard and had a small kink in it from previous work done by others. This helps to explain why some of my power steering lines always had some oil on them. Never was a big enough leak to worry about, but at least I now know the reason.

If I hadn't pulled the fan out, I never would have seen it. Now I have a new o-ring and everything is clean.

'99 WJ 4x4 Ltd 4.7L (sold)
'05 WK 4x4 Ltd 5.7L (mine) 200k+ club
'01 WJ 4x4 Laredo 4.7L (daughter)
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post #23 of 54 Old 02-12-2018, 09:26 PM
RIHEMIS
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Nice job! How much did the new radiator run you?
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post #24 of 54 Old 02-12-2018, 09:56 PM Thread Starter
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The new radiator was about $210 at Rock Auto. Dealers all wanted $310+ for the exact same Mopar radiator. Shipping was about $18 and I got it in 4 days.

'99 WJ 4x4 Ltd 4.7L (sold)
'05 WK 4x4 Ltd 5.7L (mine) 200k+ club
'01 WJ 4x4 Laredo 4.7L (daughter)
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post #25 of 54 Old 03-16-2018, 02:22 PM Thread Starter
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So...
I was tearing my old radiator apart last night (1) to see what it looked like inside for corrosion, etc., and (2) to take the plastic tanks off so I could scrap it at a recycle place.

It was pretty clean in the core, but down at the bottom of the driver's side tank, right near the drain, I found this:



Parts of it were wedged into the core tubes, but most of it was lying in the tank. It is rubber, fairly thin, and still pliable.

Anybody have a clue what it is for and how it got into my cooling system?

'99 WJ 4x4 Ltd 4.7L (sold)
'05 WK 4x4 Ltd 5.7L (mine) 200k+ club
'01 WJ 4x4 Laredo 4.7L (daughter)
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post #26 of 54 Old 03-17-2018, 12:06 PM
brent_m
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it looks like it was chopped up in the impeller. but could it be the remains of a failed radiator cap seal? or perhaps a thermostat seal?

2007 Jeep Grand Cherokee Overland
5.7 Hemi - Airaid CAI - Magnaflow
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post #27 of 54 Old 03-20-2018, 08:03 AM Thread Starter
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Adding a new item to the list, as of yesterday...

I was sitting in traffic because of an accident. Moving slowly. Then I noticed the trans seemed a little sluggish getting moving from a stop, almost like the clutches were slipping. Then it happened...

"BING" MIL lit up! Then the drive position screen on the dash showed "3"...

Great! Stuck in 3rd gear.

I wasn't too far from my house, so I limped it home, pulled out my scanner and there it was:

P0700 (generic code telling me to look for the next code of...)
P0750 (Switch Solenoid A)

Decided to take my old Explorer back to work and I'd deal with this issue later.

Cleared the code when I got home last night. Drove the Jeep around for about 30 minutes. Fluid level and condition checks out fine (filter replacement not too long ago). Couldn't get the code to come up again.

Crossing my fingers that this "might" be a one-time thing.

For now...

'99 WJ 4x4 Ltd 4.7L (sold)
'05 WK 4x4 Ltd 5.7L (mine) 200k+ club
'01 WJ 4x4 Laredo 4.7L (daughter)
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post #28 of 54 Old 04-06-2018, 08:11 AM Thread Starter
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(This is mentioned in another thread, but I'm putting it here also...)

Well...
The code did come back. On 3/25 it hit again. This time it stayed. Jeep continued to stay locked in 3rd no matter how many times I cleared the code. Same code: P0750 Switch Solenoid A

So I ordered a kit: http://www.cascadetransmissionparts....icekit4wd.aspx
Only took about 4 days (free shipping - Priority Mail) to get to from Oregon to TX. I went ahead and ordered the kit with the filters even though my current filters had less than 15k miles on them. One of those "I'm in there already!" moments. I also ordered a drain plug kit ($17) to mount into my pan.

But then life got in the way and it took me a few days to get started on the replacement.

Pulled the valve body out this past Tuesday evening. Was able to save most of the fluid, and got it all put back together last night.

Driving to work this morning, all appears to be normal and the tranny is shifting really smooth.

I was having some hard 3-4 shifts (at light throttle) last year after replacing my fluid & filters. Those shifts got better with mileage, but would still creep back every once in awhile. Driving around last night and this morning, I can't remember when the last time this transmission shifted so smoothly!

Also, at highway speeds, it doesn't appear to "hunt" around between 4-5 as much as it did before. But I might be a little over-critical right now.

Maybe that was all a sign that the switch solenoid was starting to go bad...

I'll keep putting some miles on the Jeep over the next few days and keep an eye on things. I'm trying not to get too excited too quickly!

'99 WJ 4x4 Ltd 4.7L (sold)
'05 WK 4x4 Ltd 5.7L (mine) 200k+ club
'01 WJ 4x4 Laredo 4.7L (daughter)
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post #29 of 54 Old 04-06-2018, 08:57 AM Thread Starter
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I'll include only a few pics of my transmission work with the switch solenoid.
Mainly because I read that many people have said that the front drive shaft has to be pulled in order to reach the wire harness plug.

Maybe it's because of my driveway setup, but I was able to reach up and pull the harness plug out very easily. No issues with the drive shaft being in the way.

My drive has a slope to it. So when the front of the Jeep is on ramps, it basically sits level. This does provide quite a bit of room underneath...


This shows the location of the plug behind the front shaft...


Enough room for 2 fingers to lower the plug latch, then I was able to reach up, grab the plug, and wiggle it up & out.


And the valve body after it was removed...

'99 WJ 4x4 Ltd 4.7L (sold)
'05 WK 4x4 Ltd 5.7L (mine) 200k+ club
'01 WJ 4x4 Laredo 4.7L (daughter)
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post #30 of 54 Old 04-07-2018, 07:15 AM
RCS1300
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Make sure to use blocks on your rear wheels when using those ramps. Also, check to make sure those ramps under the front wheels are rated to hold the weight of your Jeep.
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