XJ6 & XJ12 Series I, II & III 1968-1992

Windshield Wiper Mechanism

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Old May 18, 2018 | 11:50 AM
  #21  
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I'll try the 1/8" first, since that's what I have, and see it that works this afternoon after work. The parts manual shows two oval gaskets, but doesn't say if they are metal or rubber. I assumed they were both rubber, but could be wrong.
 
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Old May 18, 2018 | 06:56 PM
  #22  
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ok, I had not seen the two over/under gaskets. They must be rubber. I don't see how metal would seal any water entry.
 
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Old May 25, 2018 | 08:13 AM
  #23  
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1/16" inch rubber is working just fine. I bought a hole punch kit on EBay for $14.88 and used the 5/8" hole punch to make the main hole in the gasket. I learned NOT to use a block of wood under the rubber to punch through the rubber; there's too much give in the wood. You HAVE to have metal underneath. I also learned to drill a pilot hole in the rubber for the pilot shaft of the punch to fit into. Then a good hard rap or two will punch cleanly through. Then I used the outer angled eschuion (sp?) piece to cut a square around the eschion piece with plenty of room to spare to make the oval shape on the outside perimeter of the gasket. I've yet to figure of a way to accomplish that part neatly. Maybe with scissors. The Xacto blade does a ragged job. The 5/8" round hole forms nice and tightly around the wiper shaft as you suggested. Each mechanism will have two of these rubber gaskets - an inner and an outer. I found that the oval holes cut into the cowl are larger than they should be, so it doesn't surprise me that water got in there over the years and created surface rust under the cowling. I wonder how many other XJ6's are like that and the Owner doesn't know it?
 
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Old May 25, 2018 | 08:16 AM
  #24  
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Pics
 
Attached Thumbnails Windshield Wiper Mechanism-hole-punching.jpg   Windshield Wiper Mechanism-hole-punch.jpg  
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Old May 25, 2018 | 08:51 AM
  #25  
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I have never removed mine so I don't know if the under-gaskets are there. Good job fabricating those gaskets. What you want is a really sharp blade to cut the outer ones while pressing and clamping down on the angled escutcheon. So 1/8 was too thick?
 
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Old May 25, 2018 | 09:03 AM
  #26  
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Yes, 1/8" too thick. I'm actually concerned that two 1/16" (inner and outer) provides too much wiggle of the assembly even with the nut tightened down. I'm considering RTV on the install, and blue or red locktite on the nut. But... the install is a bit down the line because the reason why I too them out is to have the car painted and the body shop guy is dragging his feet. Not that I've run out of projects to do on the car while I'm waiting!!!!


And I tried with a really sharp Xacto to cut on the outer, but found scissors much better.
 
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Old May 25, 2018 | 09:15 AM
  #27  
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the flared tubing keeps the entire assembly stable once everything is tightened. After everything is back in place, test it without the wipers to allow for settling of the cable at the gears or "cogs". Run the system observing the outside shafts move in unison and the cable doesn't catch anywhere.
 
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Old May 25, 2018 | 09:25 AM
  #28  
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As this probably won't be my daily driver once I get it back on the road, I hope not to run into rain very often.
 
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Old May 25, 2018 | 10:00 AM
  #29  
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in the Series 3 XJ, the wipers are terrible, can't keep up with heavy rain. The same system in my '65 S type is much faster and efficient coping with heavy rain.. I think it has to do with the length of the cable, it is shorter in the S type.
 
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Old May 25, 2018 | 08:46 PM
  #30  
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With so much annual rainfall in the UK, you would think the Jaguars would have outstanding wipers.

Mine have been gone through, are at Service Manual specs and are horrible. The two speeds equal..Way too Slow and Slow.

RainX works better on the windshields than using the wipers.
 
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Old May 26, 2018 | 04:52 AM
  #31  
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the XJ wiper speeds have been a constant complaint in forums since I can remember. I even replaced the motor thinking it would fix the problem, but no change. I have a mod-schematic from a UK firm to add relays which supposedly improve the speeds but I sure don't understand it.
 
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Old May 26, 2018 | 06:39 AM
  #32  
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Jose, Could you post that schematic from the UK firm re the relays?
 
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Old May 26, 2018 | 07:16 AM
  #33  
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iramphal, it is in a webpage that is still active but the firm is no longer in business: www.skjagtech.co.uk if the link does not work, I will post the schematic.
 
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Old May 26, 2018 | 07:41 AM
  #34  
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takes you to www.jagtech.co.uk instead with no schematic
 
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Old May 26, 2018 | 08:01 AM
  #35  
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ok, I will post the schematic later today.
 
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Old May 26, 2018 | 05:17 PM
  #36  
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A few years ago, I remember replacing those gaskets with a replacement kit from Welshent. I had a stripped nut and when I was removing it I damaged the chrome escutcheon. I remember purchasing the nuts, escutcheons and gaskets. There were only two gaskets. One for each side and they were about 3/32" thick and they had a raised lip around the edge so that the escutcheon would not shift off the gasket.
You will have to cut your rubber material slightly larger than the escutcheon because it has a thin edge and may slip off as it flexes when tightening the nut.
I will have to search my records for the prices.
 
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Old May 26, 2018 | 06:03 PM
  #37  
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iramphal and yachtmanbuttson:

here's three documents I have collected through the years, in three different formats, .JPG, .DOC., .PDF

They are all related so you might check all three for comparison. The first one is the factory wiring schematic. Number two is the mod, and Number 3 are the SKJAGTECH instructions.

Let me know if you do this mod.
 
Attached Thumbnails Windshield Wiper Mechanism-01-xj-s3-factory-wiper-schematic.jpg  
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File Type: doc
File Type: pdf
03-XJ-Wiper-motor-Relay-mod.pdf (36.9 KB, 128 views)
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Old May 26, 2018 | 06:53 PM
  #38  
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I'm certainly willing to abandon my gaskets if you can steer me in the direction og proper washers and chrome eschucions. My eschucions are aluminum and will ne painted black, unless I could find chrome.
 
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Old May 26, 2018 | 07:21 PM
  #39  
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aluminum is resistant to corrosion in a wet environment, that's why they are aluminum. Chrome will start pitting in 1 year. Just polish them good. Otherwise what you will likely get as replacements is low quality chrome pieces.
 
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Old May 26, 2018 | 09:20 PM
  #40  
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Originally Posted by Jose

Let me know if you do this mod.


I'm with you....never had wipers this bad on a car before.
 
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