What did you do to your YJ today? - Page 5296 - JeepForum.com
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post #79426 of 83433 Old 09-05-2019, 05:34 PM
Crazysjeep
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Originally Posted by WestfieldMX5 View Post
Got some 31 Cooper Evolution MTT's <img src="https://www.jeepforum.com/ubb/smile.gif" border="0" alt="" title="Smilie" class="inlineimg" />



That has to be one of the cleanest/nicest looking renegades

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post #79427 of 83433 Old 09-05-2019, 07:49 PM
04TJ-jeeper
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got all my daily lineup running/driving (not including our road tripper 2014 JKU and 2019 JLU) yes we have a problem. From left to right '89 5.2 SOA stretched rear axle 8.8 in rear and 1942 gpw grill. '90 stocker 4.2, '95 4.0 4" RC, '87 4.2 with a blown rear turdy5, '87 with amc 304 D44 front/rear dana 300 twin sticked crawler with CJ grill. all were bought not running. my grandfather and I would rebuild wrecked jeeps when he was still around and it's a nice way to remember him
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1987 YJ 4.2 / 1990 YJ 4.2 / 1995 YJ 4.0 / 2014 JKU / 2019 JLU
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post #79428 of 83433 Old 09-05-2019, 07:59 PM
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Originally Posted by 04TJ-jeeper View Post
got all my daily lineup running/driving (not including our road tripper 2014 JKU and 2019 JLU) yes we have a problem. From left to right '89 5.2 SOA stretched rear axle 8.8 in rear and 1942 gpw grill. '90 stocker 4.2, '95 4.0 4" RC, '87 4.2 with a blown rear turdy5, '87 with amc 304 D44 front/rear dana 300 twin sticked crawler with CJ grill. all were bought not running. my grandfather and I would rebuild wrecked jeeps when he was still around and it's a nice way to remember him
Quite the collection...and a great backstory

~YJOTM MAY '16, JULY '19~


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post #79429 of 83433 Old 09-05-2019, 08:03 PM
04TJ-jeeper
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thank you, now to find time to get them on the mountains and get some pictures for YJOTM
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1987 YJ 4.2 / 1990 YJ 4.2 / 1995 YJ 4.0 / 2014 JKU / 2019 JLU
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post #79430 of 83433 Old 09-05-2019, 11:32 PM
Mechman71
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1989 YJ Wrangler 
 
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So much for an easy day!

Recently, my Jeep has taken to shutting off all spark while driving at speed (60mph in north NJ rush hour traffic!). As I find this condition unacceptable, I decided today to start tackling the many issues that I knew were going on.


I have a known problem in my steering column with my ignition switch (and that is likely the cause of the current worst problem), but the last time this happened, the leaking valve cover had goobered oil onto the coil clip and caused it to not make connection at the posts. Seeing as everything in my ignition system is original (save for the cap, rotor, plugs and wires), I decided that their long and faithful service would be rewarded with retirement before they die outright. Once the parts list had been made, I decided to pop off the valve cover and have a look around under the lid. It needed a new gasket anyway, plus I had a persistent tap at idle that sure sounded like a bent pushrod or two. Replacing the leaky valve stem seals that every morning causes my Jeep to start with a cloud of blue smoke was also on the punch list. The engine has never been cracked into - when I bought it nine (!!!) years ago, it had sat untouched for over a decade, missing only the carb. But once the valve cover came off, only two words, a very old phrase, came to mind.


Jesus wept.

img_2825-copy.jpg

img_2826-copy.jpg

img_2828-copy.jpg

img_2834-copy.jpg


That pile at the bottom of the valve cover came from just a casual scraping of the inside with a beat up old screwdriver.


I pulled the rocker arms and pushrods and threw them in the recycling bin. I'll be replacing the valve springs too (oh joy - time to bust out that fancy valve spring height micrometer). After about a solid hour of carefully scraping and scrubbing the muck and baked on crud into the shop vac, I do believe I've pulled out about 5lbs of dirt alone. It's now better, but by no means perfectly clean yet.



I have zero idea how those rocker arm pivots were getting any oil at all, they're so encrusted with hard crud both top and bottom.



I'll be pulling and replacing the timing chain tomorrow. I've only had the parts for a year now, it's time! When both the top end and front of the motor are closed up again sometime next week, I'll move down to the oil pan and will most likely replace the oil pump along with a general cleaning and seal/gasket replacement, including the rear main. I'll check the bottom end bearings while I'm in there too.


I'm hoping to get a few more miles out of this engine, but after seeing this, I've moved up the timeline of building my replacement engine. Though it seems it has been running like THIS for 30k+ miles!


Ugh.

'89 YJ "Night Eagle" 4.2 5spd, Spinnaker blue/grey, hard top and doors, mostly stock and RUST FREE!!
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post #79431 of 83433 Old 09-06-2019, 05:41 AM
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Yikes!!


~YJOTM MAY '16, JULY '19~


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post #79432 of 83433 Old 09-06-2019, 07:47 AM
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The head of my '92 YJ 4cyl. looked the same with built up sludge. I found every lifter is locked up solid with sludge so you may consider pulling them for disassembly and cleaning but keep them in the same order.
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post #79433 of 83433 Old 09-06-2019, 08:38 AM
Mechman71
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Quote:
Originally Posted by Flyer58 View Post
The head of my '92 YJ 4cyl. looked the same with built up sludge. I found every lifter is locked up solid with sludge so you may consider pulling them for disassembly and cleaning but keep them in the same order.

I thought about this, I really did. What I have here is a case of slippery slope, a series of might-as-wells that ends logically in a complete rebuild. If I pull the head to get at the lifters, I'll pull the cam (while the chain is off - might as well, oil pressure is a bit low at idle) and replace the cam bearings. But I'm not going to put the old cam or lifters back in to ruin those new bearings, oh no. Cam and lifter kits aren't THAT expensive. But if I do that, I'll want to yank the rotating mass and go through those bearings as well, not to mention a hone and re-ringing at least (though once you're in that far, new pistons and recon rods are only a couple hundred, wise money to spend). If I'm going THAT far, I'll have to yank the block and drag it down to the machine shop first. And while the head is off, some new valves and guides would be in order - or wait, it's the perfect time to upgrade to the 4.0 head that is sitting ready in my garage...



I can see myself going down the rabbit hole to a full rebuild. I already have a good, low mileage 4.0 that I bought as a basket case and have been gathering the parts for a mild stroker build. That'll hopefully be finished by next spring. For now though, I'll be scrubbing this motor to the best of my abilities, flushing it out and reassembling with enough new parts to get me down the road until spring. Fortunately my lifters have neither stuck nor collapsed, I just have to suck out any crud that may have fallen into them. My plan is to tape a bendy straw from an old sports water bottle to the shop vac hose and go fishing. It should be fun!
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'89 YJ "Night Eagle" 4.2 5spd, Spinnaker blue/grey, hard top and doors, mostly stock and RUST FREE!!
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post #79434 of 83433 Old 09-06-2019, 12:10 PM
lovett86
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Quote:
Originally Posted by Mechman71 View Post
Quote:
Originally Posted by Flyer58 View Post
The head of my '92 YJ 4cyl. looked the same with built up sludge. I found every lifter is locked up solid with sludge so you may consider pulling them for disassembly and cleaning but keep them in the same order.

I thought about this, I really did. What I have here is a case of slippery slope, a series of might-as-wells that ends logically in a complete rebuild. If I pull the head to get at the lifters, I'll pull the cam (while the chain is off - might as well, oil pressure is a bit low at idle) and replace the cam bearings. But I'm not going to put the old cam or lifters back in to ruin those new bearings, oh no. Cam and lifter kits aren't THAT expensive. But if I do that, I'll want to yank the rotating mass and go through those bearings as well, not to mention a hone and re-ringing at least (though once you're in that far, new pistons and recon rods are only a couple hundred, wise money to spend). If I'm going THAT far, I'll have to yank the block and drag it down to the machine shop first. And while the head is off, some new valves and guides would be in order - or wait, it's the perfect time to upgrade to the 4.0 head that is sitting ready in my garage...



I can see myself going down the rabbit hole to a full rebuild. I already have a good, low mileage 4.0 that I bought as a basket case and have been gathering the parts for a mild stroker build. That'll hopefully be finished by next spring. For now though, I'll be scrubbing this motor to the best of my abilities, flushing it out and reassembling with enough new parts to get me down the road until spring. Fortunately my lifters have neither stuck nor collapsed, I just have to suck out any crud that may have fallen into them. My plan is to tape a bendy straw from an old sports water bottle to the shop vac hose and go fishing. It should be fun! <img src="https://www.jeepforum.com/ubb/rolleyes.gif" border="0" alt="" title="Roll Eyes (Sarcastic)" class="inlineimg" />
I've had good luck just letting lifters (labeled 1 at a time) sit In a bucket of trans fluid. Just the regular dexron/mercon. Nothing synthetic. After a couple days the bottom of the bucket would look like it was full of dirt.

its a rusty one

https://www.jeepforum.com/forum/f22/90-yj-frame-swap-build-up-1434246/
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post #79435 of 83433 Old 09-06-2019, 01:54 PM
xpage
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Originally Posted by bruinjeeper View Post
This is where I would usually request photos because we all love photos, right?

Considering it's theft prevention, I'll bypass my nature this time around lol

I'll make a diagram, maybe take some photos too.
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post #79436 of 83433 Old 09-06-2019, 02:54 PM
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Quote:
Originally Posted by bruinjeeper View Post
This is where I would usually request photos because we all love photos, right?

Considering it's theft prevention, I'll bypass my nature this time around lol
I'll make a diagram, maybe take some photos too.
I recommend against that

~YJOTM MAY '16, JULY '19~


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post #79437 of 83433 Old 09-06-2019, 03:28 PM
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Originally Posted by fishadventure View Post
Iíd tear it off somewhere on a trail!!


Iíve ruminated over building a trailer with off-road capacity. Trouble is the hellions around here would try to burn it, vandalize it, or shoot it (after stealing stuff) if left off a trail to return to later. People are stupid.



Umm, what? No. This was before the bad idea of ethanol was promoted by politico-environmental stupid people.

The above is exactly what it does.

Q? Is there actually a kit offered for the Sanden for on board air? Iím so sick of Ďmeaning to make a list of parts and buy themí but being too busy to get to it Iím about willing to spend a tad extra just to get it done. (The Aussie has expanded my wheeling possibilities tremendously)
Mark... Its a pretty simple list of parts...

Compressor, a few fittings, check valve, pressure switch, relief valve manifold, air line and fittings... Tank optional,

Amazon in 20 minutes and you'll be done...

AUDREY...95 YJ UNLIMITED LS
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SOLD

BETTY...94, Stroker 4.6,35"s, SOLD


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post #79438 of 83433 Old 09-06-2019, 03:46 PM
jmart2119
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Quote:
Originally Posted by NHfireLJ View Post
Mark... Its a pretty simple list of parts...

Compressor, a few fittings, check valve, pressure switch, relief valve manifold, air line and fittings... Tank optional,

Amazon in 20 minutes and you'll be done...
@fishadventure
Here is the diagram that I made up for my york. Yours will be a little different using a Sanden but you get the idea.

All the hose and fittings were replaced with DOT air brake line and push to connect fittings when I modded it to work with my 5.7L engine.

419.jpg

2018 YJ of the Year
YJOTM | Aug'15 | Dec'16 | Jan'18

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1989 YJ - 98 5.7L Vortec, 4L60E, NP241, D30+8.8, 5.13's, 35" ProComp MT2's
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post #79439 of 83433 Old 09-06-2019, 06:24 PM
bruinjeeper
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Wired up my DRL's. Used a fuse tap at the ACC fuse spot under dash and ran the wiring into the engine bay. They come on in the key-on position. Also added a silicone bicycle cell phone mount to the A pillar windshield brace bar. Convenience.

Also got word from Napa my PS pump arrived...will be picking that up and installing tomorrow. THANK GOD. In a way, the downtime was very productive, tackled some tasks I otherwise wouldnt have because I could have and would have driven it. Also received some China flush mount LEDs which will be installed in my rear bumper as reverse lights (triggered by the gear) ...unsure if I will be also wiring them to a switch at this point. I have been driving without reverse lights since installing the PS armor.

How cool are these DRLs gonna look at the mall baby?!?!
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20190906_201406_1567815740073.jpg   20190906_201615_1567815770368.jpg   20190906_201912_1567815798497.jpg   20190906_204424_1567817181824.jpg  
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~YJOTM MAY '16, JULY '19~


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post #79440 of 83433 Old 09-06-2019, 07:02 PM
bruinjeeper
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Quote:
Originally Posted by NHfireLJ View Post
Quote:
Originally Posted by fishadventure View Post
I’d tear it off somewhere on a trail!!


I’ve ruminated over building a trailer with off-road capacity. Trouble is the hellions around here would try to burn it, vandalize it, or shoot it (after stealing stuff) if left off a trail to return to later. People are stupid.



Umm, what? No. This was before the bad idea of ethanol was promoted by politico-environmental stupid people.

The above is exactly what it does.

Q? Is there actually a kit offered for the Sanden for on board air? I’m so sick of ‘meaning to make a list of parts and buy them’ but being too busy to get to it I’m about willing to spend a tad extra just to get it done. (The Aussie has expanded my wheeling possibilities tremendously<img src="https://www.jeepforum.com/ubb/smile.gif" border="0" alt="" title="Smilie" class="inlineimg" />)
Mark... Its a pretty simple list of parts...

Compressor, a few fittings, check valve, pressure switch, relief valve manifold, air line and fittings... Tank optional,

Amazon in 20 minutes and you'll be done...
I have done so much reading on this. Just waiting for a Sanden to make itself available to me. I may have to get it off fleabay. Would be half price compared to anything I can order here in Canadia

~YJOTM MAY '16, JULY '19~


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