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Mitsubishi Related / 100mm CV Axle Questions
« Last post by na3s on Today at 12:10:55 AM »
Iíve been researching replacement CV axles and have found several references to the fact that Ď94-í96 3.5 DOHC SRs, and possibly Ď97-í98 3.5 SOHC SRs, have stronger 100mm CV axles vs the more common 95mm Montero/Montero Sport CV axles and can be run with minimal modifications:

https://forum.adventuredrivendesign.com/index.php?topic=235.0

https://expeditionportal.com/forum/threads/passenger-side-cv-joint-compatibility-1995-to-2000.192568/

https://expeditionportal.com/forum/threads/montero-buyers-guide.157835/page-2



Iím a bit uncertain about what the 95mm vs 100mm measurement actually refers to on the CV axle. Can anyone confirm the picture below represents where that measurement is taken so that CV axles in the junkyard can be positively identified via something other than their year/engine/trim combination, in case theyíve been replaced at some point?



If the picture above is inaccurate, can someone provide a picture or drawing demonstrating where the measurement should be taken?



It seems that in order to be run on the passenger side, the 4 holes of the flange must be ovalized to fit the 4 mounting bolts. While Iím sure doing so is plenty strong, would it be possible to swap the cups w/flanges between 95mm and 100mm CV axles to avoid having to modify the 4 holes to make them fit, as these pics from ADD suggest?






Iíve also found that Milner, in the UK, offers upgraded polyurethane replacement CV boots. Since Iíll be rebuilding and rebooting any axles I pull out of a junkyard anyway, they seem like a good bit of insurance. Does anyone have any experience with them?



https://www.milneroffroad.com/mitsubishi-japanese-import/pajero/v47p-2-5td-lwb-australia-spec-import/v47p-axle-frontrear/v47p-drive-shaft-cv-boot-polyurethane-innerouter-front



For posterityís sake, hereís a tidy tutorial outlining the removal, rebuilding/rebooting, and installation process for CV axles:

http://www.4x4wire.com/mitsubishi/tech/inner_cv/



As always, thanks in advance, I appreciate any and all info and help.
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For Sale Automotive / Re: Montero Ranch V2 nearing the end
« Last post by rodmankn3 on February 22, 2019, 05:42:30 PM »
any pictures of the for sale vehicles? or the parts ones? that Mighty Max sounds interesting!!
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Gen 2 Montero / Re: Gen 2 Engine Swaps - Knowledge Dump
« Last post by TOASTY on February 22, 2019, 12:14:07 PM »
 They used to be basically free around here, myself and others here in Az have seriously scrapped complete running engines in the past because nobody needed/wanted them. The 12v engine is so robust to begin with none of us ever saw a shortage coming. This past year I've seen 3 of these engines go down hard with connecting rod failures, up until recently I've always thought these things just never broke down. Probably a fluke but you know how it is, things are abundant until you need one.
 The 3.5 and 3.8 are more common, i could have swapped one of those but this car just fits my needs and just happens to be able to make the Gen 1 really fun when I'm done with the LS.
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Gen 2 Montero / Re: Gen 2 Engine Swaps - Knowledge Dump
« Last post by ChargerX3 on February 22, 2019, 09:13:18 AM »
Surprised you couldn't find an early 6g72 SOHC. They are all around me here.
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Gen 2 Montero / Re: No oil pressure after new oil pump (out of ideas!)
« Last post by SammyS on February 21, 2019, 10:31:46 PM »
Mechanic says yes.  Although also I have been told by another tech that priming the oil pump is not an absolute necessity

was it primed when installed?
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Gen 2 Montero / Re: No oil pressure after new oil pump (out of ideas!)
« Last post by rodmankn3 on February 21, 2019, 10:25:21 PM »
was it primed when installed?
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Gen 2 Montero / No oil pressure after new oil pump (out of ideas!)
« Last post by SammyS on February 21, 2019, 09:12:22 PM »
If anyone would have an idea of what could be going on to cause my '92 SR to now have basically no oil pressure please sound out, as both me and my mechanic are completely out of ideas.

I bought a 1992 SR in December with 150k miles.  She ran great, only a bit of lifter clicking sound when starting on a cold morning.  Gave her an oil change and filter right off the bat (the seller had obviously recently changed the oil too, but I wanted to know exactly what was used and when, so).  I put in 5W-30.  Had about 20lbs of oil pressure at idle, 45-55lbs driving.

There was an oil leak from around the harmonic balancer, so I brought her in to my mechanic to change the timing belt, tensioner, new water pump, and to chase down the oil leak.  He did the timing belt work and replaced the shaft seal external on the oil pump.

Still ran great with great oil pressure.  But still was leaking oil.

Back to my mechanic for the oil leak.  Took everything apart again and this time removed the oil pump, discovered there was a small crack in the pump housing by the main shaft that was causing the oil leak.  He replaced the pump (with a Melling), put everything back together, and now no oil leak, but now the Montero is running with loud clacking lifter noise, and there is basically no oil pressure at idle (and not quite 30lbs driving).  Oil pressure sender reading verified with a mechanical gage screwed into the sender port.

Mechanic thinks "must have been a bad pump somehow".  I get an OEM pump and we go through the whole tear down again and replace the Melling with the Mitsu pump.  Put everything back together: still no oil pressure and loud lifter noise.

Mechanic loans me a Cherokee and tears the engine down again.  And now I'm going in to the shop too to investigate and verify things.

The three gaskets on the oil pump were all properly placed (pickup, filter adapter, block)

Oil pickup tube clear, no blockage.  Screen clear.  Pickup tube not cracked.

No metal shavings, bits, in the oil pan.

Pulled the connecting rod cap assembly and we check the main bearings- they look fine, no bad wear

Pulled the OEM pump, I just went over it today, took the cover off, nothing amiss in the gears.  Took out the pressure relief valve, looks fine and not jammed, no junk in there.  No blockage in any passageways as far as I could see carefully going over it w a pen-light.

Then I went over the oil filter bracket looking for a blockage.  No blockage anywhere that I could see.  Disassembled the filter bypass valve- looked fine, no gunk, seemed to operate fine.

I didn't blast air through the fittings (don't know how everything goes in my mechanics shop there and he was pretty occupied today), but visually I couldn't find any sort of gunk or blockage anywhere in the pump or filter bracket.

?????????????????  What on earth could be causing the no oil pressure ?????????????  Could something in the heads have popped and not allow pressure to build up?  Is there somewhere else a blockage could cause LOW oil pressure rather than high pressure??

Think the mechanic is going to have a look at the heads tomorrow, as we can't think of anything specific to look at.

Any more ideas?!
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For Sale Automotive / Re: Front Aussie Locker
« Last post by RXIN HED on February 20, 2019, 09:58:01 PM »
Anything you'd swap for?
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Gen 1 Montero / Re: 2.6 SWB/Raider 3 Core Radiator Questions
« Last post by na3s on February 20, 2019, 08:38:00 PM »
Exactly the information I was hoping to glean, thank you very much.

Let's hope the radiator and shroud in that '86 SWB is there and in good shape when I make it to the yard tomorrow.
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