4wheel drive won't engage

Malfunctioning 4WD Sensor Toyota 4Runner Part 1 - YouTube

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www.youtube.com/watch?v=PZZjZ74bUWA
Nov 5, 2013 - Uploaded by Newly Awakened Malfunctioning 4WD Sensor Toyota 4Runner Part 1 .... This appears to have fixed the problem I've experienced over the past few months with ...

check the actuator is working to select 4wd. even if the lights say so doesn't mean that the action is occurring If vacuum operation check hoses and if electric check all wires,fuses and solenoids for operation

Torque Converter has to do with the trans

Why are you guessing at things

Google those issues

Wrong time of year to be diagnosing tranfer issues
you do that in warm weather

May be related to the front axle engagement due to the cold

no miles specify but you need a cluth job.

Depending on how old it is, I would say it has broken apart.
You won't really know until you pull the trans.

bad pressure plate or stuck throw out bearing.

put into 2 wheel and reverse truck cone type engagement in 4wheel sometime have to reverse to release

the only thing i can think of is it could the transforcase or the links to engage it sorry cant be more help

check your relays first (after the fuses) and the vacuum lines if you have those for the 4 wheel drive. Hope that helps

I now these trucks pretty well, I own 2, a 2000 two door and a 95 4 door and before them I owned a 88 and an 87, so look I suggest you use 4 hi but in low geer(1st geer) and just let it grab by itself, cause I find first thing it's hard getting into 4 low cause you must be in neutral,and I usually engage it with only the ignition on without actually running the truck to make sure it actually engages, we get a lot of snow up here so I'm letting experience speak for itself, hope it helps...

goodluck...