Np203 - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Kager67 · 09-14-2008, 01:01 AM

Hey everybody. I just bought a 78 blazer with a 203 transfercase in it. It has lockouts on it, so I automatically figured it had the part-time kit in it. Now that I have been driving it for a couple days I have come to find out two things: 1.With the lockouts free, it will only move in HI LOCK not in HI. 2. With the lockouts locked, it will work in both. So my figuring is that it only has lockouts and no part-time kit. If I am correct, isn't it hard on the front hubs to drive with them unlocked? Shouldn't I leave them locked in and the t-case in HI? Any advise is appreciated. Thanks

Kager

LONGHAIR · 09-14-2008, 07:18 AM

It won't hurt the hubs, but you are not getting the benefit of what the "part-time" kit can do for you. You are still driving the internals of the transfer case.
I would pick up the kit and complete the job that someone started. It is really not that bad. It can be done in the driveway/garage in an hour or so. If your truck is hi enough to get under, you don't even need a jack. Some simple hand tools are all you need.
From what I remember, the directions are very good, but if you run into trouble....there are several of us that can walk you through it.

Kager67 · 09-28-2008, 09:18 PM

Found this today while I was surf'n. They make it sound like running around in HI Loc will prematurely take out the T-case. Interesting read.

http://www.4wheeloffroad.com/howto/47538/index.html

Kager

09-14-2008, 01:01 AM	#1
Kager67 what knocking sound? Join Date: Feb 2005 Location: good ol North Dakota Posts: 148	Np203 Hey everybody. I just bought a 78 blazer with a 203 transfercase in it. It has lockouts on it, so I automatically figured it had the part-time kit in it. Now that I have been driving it for a couple days I have come to find out two things: 1.With the lockouts free, it will only move in HI LOCK not in HI. 2. With the lockouts locked, it will work in both. So my figuring is that it only has lockouts and no part-time kit. If I am correct, isn't it hard on the front hubs to drive with them unlocked? Shouldn't I leave them locked in and the t-case in HI? Any advise is appreciated. Thanks Kager __________________ 1968 C-10 1953 belair two-door post 1955 chevy 3600 big window 1950 studebaker starlite coupe 1968 Impala SS

09-14-2008, 07:18 AM	#2
LONGHAIR just can't cover up my redneck Join Date: May 2004 Location: Columbus OH Posts: 11,414	Re: Np203 It won't hurt the hubs, but you are not getting the benefit of what the "part-time" kit can do for you. You are still driving the internals of the transfer case. I would pick up the kit and complete the job that someone started. It is really not that bad. It can be done in the driveway/garage in an hour or so. If your truck is hi enough to get under, you don't even need a jack. Some simple hand tools are all you need. From what I remember, the directions are very good, but if you run into trouble....there are several of us that can walk you through it.

09-28-2008, 09:18 PM	#3
Kager67 what knocking sound? Join Date: Feb 2005 Location: good ol North Dakota Posts: 148	Re: Np203 Found this today while I was surf'n. They make it sound like running around in HI Loc will prematurely take out the T-case. Interesting read. http://www.4wheeloffroad.com/howto/47538/index.html Kager __________________ 1968 C-10 1953 belair two-door post 1955 chevy 3600 big window 1950 studebaker starlite coupe 1968 Impala SS Last edited by Kager67; 09-28-2008 at 09:19 PM.



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