Series 3 AC receiver drier
#1
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#7
Make note of the stock Receiver/Driers direction and remove it. Wrap the new Receiver/Drier with the rubber tape supplied and loosely install it on the Radiator Support making certain it is pointed in the right direction. The sight glass block should be on the rightside of the car. Keep the end caps on the Receiver/Drier until the last possible moment or it will absorb moisture from the atmosphere, degrading the performance of your new system.
This is from Retroaires website for XJ's. Someone's got to know the correct way.
This is from Retroaires website for XJ's. Someone's got to know the correct way.
Last edited by Saemetric; 06-07-2017 at 11:29 AM.
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Three differing ways:
1. Clarke's useful pictures. Not what is on my 83!!
2. My memory. When my car was DOHC powered, the AC worked. Great at times, at others, it took a siesta. I'm quite sure the dryer in place horizontaly, just in front of the top radiator support had a bubble LF, as seen from the driver's seat of my LHD car.
3. The "lump" kit from Johnscars included a new dryer. Mounted in the same place, in the same manner with the same connectors. I just went out to the shop and checked.
No bubble viewer. Markings as to directions? None visible as mounted...
Charging my system still on my ever growing task lists.
Carl
1. Clarke's useful pictures. Not what is on my 83!!
2. My memory. When my car was DOHC powered, the AC worked. Great at times, at others, it took a siesta. I'm quite sure the dryer in place horizontaly, just in front of the top radiator support had a bubble LF, as seen from the driver's seat of my LHD car.
3. The "lump" kit from Johnscars included a new dryer. Mounted in the same place, in the same manner with the same connectors. I just went out to the shop and checked.
No bubble viewer. Markings as to directions? None visible as mounted...
Charging my system still on my ever growing task lists.
Carl
#9
#10
Make note of the stock Receiver/Driers direction and remove it. Wrap the new Receiver/Drier with the rubber tape supplied and loosely install it on the Radiator Support making certain it is pointed in the right direction. The sight glass block should be on the rightside of the car. Keep the end caps on the Receiver/Drier until the last possible moment or it will absorb moisture from the atmosphere, degrading the performance of your new system.
This is from Retroaires website for XJ's. Someone's got to know the correct way.
This is from Retroaires website for XJ's. Someone's got to know the correct way.
Regardless, if you're retrofitting with R134a the sight glass is not as good an indication of condition as it was in the R12 days, so don't sweat it. All it is is a window. Everything will still work regardless of where it's located.
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#14
Follow up to original post. I had to install the receiver drier with the sight glass on the rhs. No choice here. In trying to mount it in proper location with 4 screws the ac lines did not properly line up withe the r/d. my early 82 must have a different condenser than later ones.
So some that said here their sight glass is on the rhs are correct. I think it depends on what condenser you have.
So some that said here their sight glass is on the rhs are correct. I think it depends on what condenser you have.
#16
I seem to remember fitting one backwards and using it that way for a decade or so.
But yes, it does make a difference. The "receiver" function refers to its role as a storage vessel. What comes out of the condenser enters the top, and the desired liquid portion settles to the bottom. This is picked up from a tube that goes down to the bottom--should be pure liquid. The sight glass is in the output side to confirm no bubbbles--pure liquid is being sent to the expansion valve.
The above refers to a generic receiver/drier, which is always oriented vertically. The S3 horizontal installation is a bit unusual. I don't know whether it retains the vertical separation if inlet at top, outlet at bottom, or not. If not (i.e. Jaguar decided to source an ordinary unit and install it horizontally), it will still work if the condenser is putting out largely liquid. In either case, the outlet should be the side that is seen by the sight glass, and this should go to the expansion valve/evaporator inlet. IMHO.
But yes, it does make a difference. The "receiver" function refers to its role as a storage vessel. What comes out of the condenser enters the top, and the desired liquid portion settles to the bottom. This is picked up from a tube that goes down to the bottom--should be pure liquid. The sight glass is in the output side to confirm no bubbbles--pure liquid is being sent to the expansion valve.
The above refers to a generic receiver/drier, which is always oriented vertically. The S3 horizontal installation is a bit unusual. I don't know whether it retains the vertical separation if inlet at top, outlet at bottom, or not. If not (i.e. Jaguar decided to source an ordinary unit and install it horizontally), it will still work if the condenser is putting out largely liquid. In either case, the outlet should be the side that is seen by the sight glass, and this should go to the expansion valve/evaporator inlet. IMHO.
#17
As a follow up, I cut the old drier apart as I was wondering if the orientation makes any difference. On this type that is horizontal, I don't think it's as important as if it were a vertical type. In side is a desiccant bag and filter on outboard end (if installed with sight glass on las of car). If installed the other way the only difference would be the filter would be on the inlet side It still should dry the freon and filter it.
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#18
As a follow up, I cut the old drier apart as I was wondering if the orientation makes any difference. On this type that is horizontal, I don't think it's as important as if it were a vertical type. In side is a desiccant bag and filter on outboard end (if installed with sight glass on las of car). If installed the other way the only difference would be the filter would be on the inlet side It still should dry the freon and filter it.
I still think that in theory the filter should be on the outlet - i.e. the sight glass end. As I understand it from various online discussions the purpose of the filter is mainly to prevent the desiccant from finding its way into the expansion valve (or beyond if any were to make it through the valve - doubtful though) in case the bag ruptured or something else caused the desiccant to break apart.
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