Push Lok
My 1999 Chevy Tahoe is not switching into 4wd.?
Okay, where to start..... I have a 99 hoe and it's giving me a few problems. When I push the switch for 4w hi, 4 lo, or all wheel, it just blinks at me. It doesn't engage in the front diff but in 4 lo it engages in the transfer case. I can hear it click in the transfer case. I posted a similar post and someone said that it could be the actuator so I tried to replace that and nothing happened. The switch just blinks. I put a volt meter on the plug that plugs into the actuator and it only has 1 volt going to it. Is that normal? Also, I tested to see if the front driveshaft turned when it was in 4 hi and when I put it back in 2 hi it did turn really fast... is that normal?
Now, I'm about to get rid of the actuator all together and just put a Posi Lok in instead of the actuator. Does anyone know if that would fix my problem? What do you think? Any suggestions would help.
might be locked up
the switch or motor is broken
or the clutch pack is out depending on transfer case
does a 4wd or engine light flash?
does it apply while going in reverse?
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