Ah, then he knows where to start looking. At the vacuum lines going to
the front axle. Likely one is just off or one of the plastic lines has
cracked or been eaten by battery acid or melted on the exhaust cross
over.

Mike

Old Crow wrote:
>
> On Thu, 17 Mar 2005 22:08:04 -0500, Mike Romain <romainm@sympatico.ca>
> wrote:
>
> >The 95 is a full time axle isn't it?
> >
> >Mike
>
> Nope, the '95's got the vac disconnect. So does the '94. Other
> years, I cannot say, but those two are parked in the driveway.
> Does anyone know if the vac switch on the t/case is the same one that
> GM uses in the S-10's?
> If so, I've got a whole drawer full of 'em that I'll sell cheap.
> --
> Old Crow
> '82 Shovelhead FLTC 92" 'Pearl'
> '95 Jeep Wrangler YJ
> TOMKAT, BS#133, SENS, MAMBM, DOF#51, SPUNGER#2

 

Ah, then he knows where to start looking. At the vacuum lines going to
the front axle. Likely one is just off or one of the plastic lines has
cracked or been eaten by battery acid or melted on the exhaust cross
over.

Mike

Old Crow wrote:
>
> On Thu, 17 Mar 2005 22:08:04 -0500, Mike Romain <romainm@sympatico.ca>
> wrote:
>
> >The 95 is a full time axle isn't it?
> >
> >Mike
>
> Nope, the '95's got the vac disconnect. So does the '94. Other
> years, I cannot say, but those two are parked in the driveway.
> Does anyone know if the vac switch on the t/case is the same one that
> GM uses in the S-10's?
> If so, I've got a whole drawer full of 'em that I'll sell cheap.
> --
> Old Crow
> '82 Shovelhead FLTC 92" 'Pearl'
> '95 Jeep Wrangler YJ
> TOMKAT, BS#133, SENS, MAMBM, DOF#51, SPUNGER#2

 

The For '95, YJ Wrangler has the vac disconnect, the XJ Cherokee doesn't.

"Old Crow" <walliscrow@yahoo.com> wrote in message
news:ival31p7u6ctfludrbns5nvb1f79kdl9uc@4ax.com...
> On Thu, 17 Mar 2005 22:08:04 -0500, Mike Romain <romainm@sympatico.ca>
> wrote:
>
>>The 95 is a full time axle isn't it?
>>
>>Mike
>
> Nope, the '95's got the vac disconnect. So does the '94. Other
> years, I cannot say, but those two are parked in the driveway.
> Does anyone know if the vac switch on the t/case is the same one that
> GM uses in the S-10's?
> If so, I've got a whole drawer full of 'em that I'll sell cheap.
> --
> Old Crow
> '82 Shovelhead FLTC 92" 'Pearl'
> '95 Jeep Wrangler YJ
> TOMKAT, BS#133, SENS, MAMBM, DOF#51, SPUNGER#2

 

The For '95, YJ Wrangler has the vac disconnect, the XJ Cherokee doesn't.

"Old Crow" <walliscrow@yahoo.com> wrote in message
news:ival31p7u6ctfludrbns5nvb1f79kdl9uc@4ax.com...
> On Thu, 17 Mar 2005 22:08:04 -0500, Mike Romain <romainm@sympatico.ca>
> wrote:
>
>>The 95 is a full time axle isn't it?
>>
>>Mike
>
> Nope, the '95's got the vac disconnect. So does the '94. Other
> years, I cannot say, but those two are parked in the driveway.
> Does anyone know if the vac switch on the t/case is the same one that
> GM uses in the S-10's?
> If so, I've got a whole drawer full of 'em that I'll sell cheap.
> --
> Old Crow
> '82 Shovelhead FLTC 92" 'Pearl'
> '95 Jeep Wrangler YJ
> TOMKAT, BS#133, SENS, MAMBM, DOF#51, SPUNGER#2

 

The For '95, YJ Wrangler has the vac disconnect, the XJ Cherokee doesn't.

"Old Crow" <walliscrow@yahoo.com> wrote in message
news:ival31p7u6ctfludrbns5nvb1f79kdl9uc@4ax.com...
> On Thu, 17 Mar 2005 22:08:04 -0500, Mike Romain <romainm@sympatico.ca>
> wrote:
>
>>The 95 is a full time axle isn't it?
>>
>>Mike
>
> Nope, the '95's got the vac disconnect. So does the '94. Other
> years, I cannot say, but those two are parked in the driveway.
> Does anyone know if the vac switch on the t/case is the same one that
> GM uses in the S-10's?
> If so, I've got a whole drawer full of 'em that I'll sell cheap.
> --
> Old Crow
> '82 Shovelhead FLTC 92" 'Pearl'
> '95 Jeep Wrangler YJ
> TOMKAT, BS#133, SENS, MAMBM, DOF#51, SPUNGER#2

 

Quadratec has a manual disconnect under Posi Lok brand name. Bypasses the
entire vacuum system. (Cable actuated). Or if your web savy you can find
instruction on making your own.

-Brian
'91 YJ 4.0


"big95yj" <shewy14@yahoo.com> wrote in message
news:1111024789.775472.116680@l41g2000cwc.googlegr oups.com...
>I have a '95 Jeep YJ and I too cannot shift into 4wd. I vacuum tested
> the shift motor and it seems to hold the vacuum. I changed the gear oil
> in it today and cleaned the shift motor, still nothing. Then i read
> about the vaccuum switch on the transfer case being the possible
> culprit and I immediately pulled the switch. The check valve ball
> moves, but it is very stiff and slow to return. Does anybody know how
> this swith is supposed the react? Also, it does seem that my Jeep
> stopped going into 4wd when it got cold outside, but there has not been
> warm enough weather yet to test that theory here. Thanks for the help.
>

 

Quadratec has a manual disconnect under Posi Lok brand name. Bypasses the
entire vacuum system. (Cable actuated). Or if your web savy you can find
instruction on making your own.

-Brian
'91 YJ 4.0


"big95yj" <shewy14@yahoo.com> wrote in message
news:1111024789.775472.116680@l41g2000cwc.googlegr oups.com...
>I have a '95 Jeep YJ and I too cannot shift into 4wd. I vacuum tested
> the shift motor and it seems to hold the vacuum. I changed the gear oil
> in it today and cleaned the shift motor, still nothing. Then i read
> about the vaccuum switch on the transfer case being the possible
> culprit and I immediately pulled the switch. The check valve ball
> moves, but it is very stiff and slow to return. Does anybody know how
> this swith is supposed the react? Also, it does seem that my Jeep
> stopped going into 4wd when it got cold outside, but there has not been
> warm enough weather yet to test that theory here. Thanks for the help.
>

 

Quadratec has a manual disconnect under Posi Lok brand name. Bypasses the
entire vacuum system. (Cable actuated). Or if your web savy you can find
instruction on making your own.

-Brian
'91 YJ 4.0


"big95yj" <shewy14@yahoo.com> wrote in message
news:1111024789.775472.116680@l41g2000cwc.googlegr oups.com...
>I have a '95 Jeep YJ and I too cannot shift into 4wd. I vacuum tested
> the shift motor and it seems to hold the vacuum. I changed the gear oil
> in it today and cleaned the shift motor, still nothing. Then i read
> about the vaccuum switch on the transfer case being the possible
> culprit and I immediately pulled the switch. The check valve ball
> moves, but it is very stiff and slow to return. Does anybody know how
> this swith is supposed the react? Also, it does seem that my Jeep
> stopped going into 4wd when it got cold outside, but there has not been
> warm enough weather yet to test that theory here. Thanks for the help.
>