Technical question on 98 Montero sr

[Dima1127]

I'm having issues with the automatic transmission in my 98 full size montero (190k miles) the car drove fine all day until the very evening when I went to drive it home, after driving it for half a mile I came to a complete stop and when I started to take off (in drive) the transmission started to completly slip, it will go up to about 3k rpms and barely move a foot. Reverse, 2nd gear and low works just fine. So I'm at a loss here. I assume low is first gear so I'm assuming it isn't the clutch packs, could it be a solenoid? And opinions on help is appreciated.

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[MrGalantguy]

When was the last time you did a transmission fluid change ..either a drain and fill or flush?

 

[Dima1127]

When was the last time you did a transmission fluid change ..either a drain and fill or flush?

A service was done less then 10k ago.

I'm leaning towards solenoids

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[jeep-N-montero]

A service was done less then 10k ago.

I'm leaning towards solenoids

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Was the proper SP III/SP 3 fluid used?

 

[Dima1127]

Was the proper SP III/SP 3 fluid used?

I believe so but that's what I'm trying to figure out from the previous owner

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[jeep-N-montero]

I believe so but that's what I'm trying to figure out from the previous owner

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That is likely the issue, these transmissions are not known to have issues unless improper fluid was used.

 

[Dima1127]

If a clutch pack was burnt. Then I feel like low or 2nd or reverse would have issues as well. What do you think?
Previous owner said he doesn't remember what fluid he used

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[Salonika]

Change the fluid and use the spec stuff, then go from there. Cheapest & easiest round-1 troubleshooting you can do.

 

[Dima1127]

After a little digging around me and the previous owner did establish that it was oe fluid used. So I'm taking a stab in the dark and ordered some solenoids. Wish me luck boys haha

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[TheMole]

After a little digging around me and the previous owner did establish that it was oe fluid used. So I'm taking a stab in the dark and ordered some solenoids. Wish me luck boys haha

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OE fluid meaning SP3 or Dexron. Reason I ask is because the owner's manual in my 98 specified to use Dexron. I noticed the trans shifted way smoother with SP3.

 

[Dima1127]

OE fluid meaning SP3 or Dexron. Reason I ask is because the owner's manual in my 98 specified to use Dexron. I noticed the trans shifted way smoother with SP3.

Aisin SP3

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