Re: WATER IN BREATHER ASSY
 

You may want to check and see if water has gotten into the oil.


"Mike Romain" <romainm@sympatico.ca> wrote in message
news:456DC7E1.B4C926B9@sympatico.ca...
> The crack in the line will mess with the idle when that circuit turns on
> as the engine warms up and cause the condensation by blowing the PCV
> valve's suction.
>
> I think you likely have found the cause.
>
> Mike
>
> jeepr wrote:
>>
>> I was looking under the hood and the line that goes from the canister
>> drivers side to the T fitting at back of carb was split at the T so I
>> cut it off and reinstalled it . The ball in the PVC valves rattles like
>> a charm.
>> The heat pipe is there small crack so I taped it.
>>
>> Will this water mess with the idle, it has been stalling when warm.
>>
>> Mike Romain wrote:
>> > Ahh, nice sunny day (for this second anyway) here just down the lake a
>> > bit in Toronto. It is supposed to hit 15+ C today.
>> >
>> > Apparently raining cats and dogs in Brampton.
>> >
>> > Our weather has been humid and hot/cold and foggy. The best for
>> > condensation...
>> >
>> > The reason I mentioned rain is because some YJ's have a ram air scoop
>> > just under the headlight for the intake. This can get water into the
>> > air filter.
>> >
>> > Other than that you are describing an amazing amount of condensation
>> > which can and will happen in these low temps. The condensation or the
>> > high humid air in the crankcase is supposed to get sucked into the
>> > intake manifold via the PCV line at the back of the carb.
>> >
>> > I would first pull the PCV valve out and shake it to make sure it
>> > rattles.
>> >
>> > There are known issues with the solenoid unit at the back of the carb
>> > that splits the PCV line into a T with another that goes to the
>> > charcoal
>> > canister. This thing fails and apparently never did work right. It
>> > can
>> > be replaced with a T fitting.
>> >
>> > If this unit is staying closed when the engine is cold and you never
>> > warm the engine up fully, the condensation just builds up in the
>> > crankcase and can get sucked into the air filter via the valve cover
>> > breather tube.
>> >
>> > You also are supposed to have a flexible heat pipe that comes from the
>> > bottom of the air filter snout and goes down to the heat stove on the
>> > exhaust manifold. This is a tin box on the front of the manifold.
>> > This
>> > is for cold weather starts and running and sucks warm air into the air
>> > filter. If this isn't working or the carb vacuum flaps aren't hooked
>> > up, then cold humid air gets sucked in direct.
>> >
>> > A 195 thermostat is also best for avoiding condensation.
>> >
>> > Meanwhile a good run on the highway to fully heat it up and cook off
>> > any
>> > water left in the oil would be a good idea.
>> >
>> > You aren't missing any antifreeze right?
>> >
>> > Mike
>> >
>> > jeepr wrote:
>> >> the engine is the 258 and the weather is southeren ontario quinte area
>> >> .
>> >> No rain since i last dried out the breather
>> >>
>> >> Mike Romain wrote:
>> >>> What engine?
>> >>>
>> >>> How's the weather?
>> >>>
>> >>> Mike
>> >>> 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
>> >>> 88 Cherokee 235 BFG AT's
>> >>> Canadian Off Road Trips Photos: Non members can still view!
>> >>> Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
>> >>> (More Off Road album links at bottom of the view page)
>> >>>
>> >>>
>> >>> jeepr wrote:
>> >>>> have a 88yj
>> >>>>
>> >>>> I'm getting water in the breather assembly. It is a considerable
>> >>>> amount
>> >>>> in 2 days of driving, probably 1/3 cup. I have dumped a large
>> >>>> bottle of
>> >>>> stuff that is supposed to absorb the water into gas tank. Other
>> >>>> than
>> >>>> that no idea how it is getting in there. Causing jeep to idle
>> >>>> erratically from sometimes 0 to other times 2500

Re: WATER IN BREATHER ASSY
 

You may want to check and see if water has gotten into the oil.


"Mike Romain" <romainm@sympatico.ca> wrote in message
news:456DC7E1.B4C926B9@sympatico.ca...
> The crack in the line will mess with the idle when that circuit turns on
> as the engine warms up and cause the condensation by blowing the PCV
> valve's suction.
>
> I think you likely have found the cause.
>
> Mike
>
> jeepr wrote:
>>
>> I was looking under the hood and the line that goes from the canister
>> drivers side to the T fitting at back of carb was split at the T so I
>> cut it off and reinstalled it . The ball in the PVC valves rattles like
>> a charm.
>> The heat pipe is there small crack so I taped it.
>>
>> Will this water mess with the idle, it has been stalling when warm.
>>
>> Mike Romain wrote:
>> > Ahh, nice sunny day (for this second anyway) here just down the lake a
>> > bit in Toronto. It is supposed to hit 15+ C today.
>> >
>> > Apparently raining cats and dogs in Brampton.
>> >
>> > Our weather has been humid and hot/cold and foggy. The best for
>> > condensation...
>> >
>> > The reason I mentioned rain is because some YJ's have a ram air scoop
>> > just under the headlight for the intake. This can get water into the
>> > air filter.
>> >
>> > Other than that you are describing an amazing amount of condensation
>> > which can and will happen in these low temps. The condensation or the
>> > high humid air in the crankcase is supposed to get sucked into the
>> > intake manifold via the PCV line at the back of the carb.
>> >
>> > I would first pull the PCV valve out and shake it to make sure it
>> > rattles.
>> >
>> > There are known issues with the solenoid unit at the back of the carb
>> > that splits the PCV line into a T with another that goes to the
>> > charcoal
>> > canister. This thing fails and apparently never did work right. It
>> > can
>> > be replaced with a T fitting.
>> >
>> > If this unit is staying closed when the engine is cold and you never
>> > warm the engine up fully, the condensation just builds up in the
>> > crankcase and can get sucked into the air filter via the valve cover
>> > breather tube.
>> >
>> > You also are supposed to have a flexible heat pipe that comes from the
>> > bottom of the air filter snout and goes down to the heat stove on the
>> > exhaust manifold. This is a tin box on the front of the manifold.
>> > This
>> > is for cold weather starts and running and sucks warm air into the air
>> > filter. If this isn't working or the carb vacuum flaps aren't hooked
>> > up, then cold humid air gets sucked in direct.
>> >
>> > A 195 thermostat is also best for avoiding condensation.
>> >
>> > Meanwhile a good run on the highway to fully heat it up and cook off
>> > any
>> > water left in the oil would be a good idea.
>> >
>> > You aren't missing any antifreeze right?
>> >
>> > Mike
>> >
>> > jeepr wrote:
>> >> the engine is the 258 and the weather is southeren ontario quinte area
>> >> .
>> >> No rain since i last dried out the breather
>> >>
>> >> Mike Romain wrote:
>> >>> What engine?
>> >>>
>> >>> How's the weather?
>> >>>
>> >>> Mike
>> >>> 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
>> >>> 88 Cherokee 235 BFG AT's
>> >>> Canadian Off Road Trips Photos: Non members can still view!
>> >>> Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
>> >>> (More Off Road album links at bottom of the view page)
>> >>>
>> >>>
>> >>> jeepr wrote:
>> >>>> have a 88yj
>> >>>>
>> >>>> I'm getting water in the breather assembly. It is a considerable
>> >>>> amount
>> >>>> in 2 days of driving, probably 1/3 cup. I have dumped a large
>> >>>> bottle of
>> >>>> stuff that is supposed to absorb the water into gas tank. Other
>> >>>> than
>> >>>> that no idea how it is getting in there. Causing jeep to idle
>> >>>> erratically from sometimes 0 to other times 2500