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Yesterday, 02:48 PM
Replies: 20
Views: 1,665
Posted By Jagboi64

I'm not familiar with all the changes over the...

I'm not familiar with all the changes over the years, but I believe the 4.2 uses a foot type thermostat? If so, look closely at it and do some measuring, as these are the same thermostats in the V12...
Forum: XJS ( X27 )
07-08-2019, 10:24 AM
Replies: 26
Views: 1,346
Posted By Jagboi64

Yes, that's it. The arm should move from about 4...

Yes, that's it. The arm should move from about 4 o clock position to about 2 o clock as it goes from open to closed.

If your AC isn't cold, it could be that you're low on refrigerant.
Forum: XJS ( X27 )
07-07-2019, 04:22 PM
Replies: 19
Views: 1,152
Posted By Jagboi64

The problem with coatings like that is the...

The problem with coatings like that is the application has to be perfect. If there is any place where it doesn't quite adhere then the salty water gets underneath and is trapped there, and the metal...
Forum: XJS ( X27 )
07-05-2019, 10:19 AM
Replies: 10
Views: 794
Posted By Jagboi64

It's a bolted to an aluminum substrate that...

It's a bolted to an aluminum substrate that hinges out of the way when the airbag goes off. You need access to the backside to gain access to the bolts that hold the wood panel on.
Forum: XJS ( X27 )
07-04-2019, 11:49 AM
Replies: 11
Views: 711
Posted By Jagboi64

In the late 80's and early 90's Jaguar partnered...

In the late 80's and early 90's Jaguar partnered with Tom Walkinshaw and formed Jaguar Sport at Bloxham, Oxfordshire. They built the XJ220 super car, and then made a Jaguar Sport version of the XJS....
Forum: XJS ( X27 )
06-28-2019, 09:27 PM
Replies: 25
Views: 933
Posted By Jagboi64

I believe Walbro is the OEM maker of the pump,...

I believe Walbro is the OEM maker of the pump, although who knows if what you can buy in the aftermarket is the same quality as the ones Jaguar bought. Having said that, Rockauto shows Bosch as the...
Forum: XJS ( X27 )
06-26-2019, 07:03 PM
Replies: 7
Views: 546
Posted By Jagboi64

Those suffixes actually mean New or Exchange, not...

Those suffixes actually mean New or Exchange, not filled or empty.

For a rebuild, try Coventry West in Atlanta, they are well respected Jag rack rebuilders.
Forum: XJS ( X27 )
06-26-2019, 02:06 PM
Replies: 1
Views: 261
Posted By Jagboi64

Yes, you can wire the top to raise and lower...

Yes, you can wire the top to raise and lower without needing the brake on. Find the black/green wire from the module, and across the connector it goes to a black/white wire in the harness. With a...
06-26-2019, 11:35 AM
Replies: 11
Views: 1,515
Posted By Jagboi64

I used the Megasquirt ECU, and it controls both...

I used the Megasquirt ECU, and it controls both spark and fuel. For spark, I cut the trigger wheel off a 1.9 Ford Escort and then machined a shoulder on the back side of the main crank pulley. The...
Forum: XJS ( X27 )
06-23-2019, 04:40 PM
Forum: XJS ( X27 )
06-23-2019, 03:51 PM
Replies: 3
Views: 236
Posted By Jagboi64

Absolutely. The condenser is just a radiator and...

Absolutely. The condenser is just a radiator and without airflow it can't shed the heat needed to condense the refrigerant. You need to be moving about 30 mph to have enough airflow to work without...
Forum: XJS ( X27 )
06-22-2019, 07:04 PM
Replies: 20
Views: 2,096
Posted By Jagboi64

I don't know what mods are needed, but with a...

I don't know what mods are needed, but with a vacuum booster it would not need the accumulator ball and pump.
Forum: XJS ( X27 )
06-21-2019, 08:18 PM
Replies: 6
Views: 610
Posted By Jagboi64

There have been two versions, and I believe a TSB...

There have been two versions, and I believe a TSB ( not sure) on this. Originally, the electric fan is triggered by the thermal switch on the waterpump. It should close at 85C, and that in turn...
Forum: XJS ( X27 )
06-20-2019, 12:40 PM
Replies: 25
Views: 10,772
Posted By Jagboi64

What the ratio refers to is the number of turns...

What the ratio refers to is the number of turns the driveshaft ( and thus engine) do compared to the number of revolutions the tire does. Thus for a 2.88 ratio, the engine ( when in top gear on the...
Forum: XJS ( X27 )
06-20-2019, 11:59 AM
Replies: 25
Views: 10,772
Posted By Jagboi64

There are a number of places to shop: wrecking...

There are a number of places to shop: wrecking yards, ebay, places like David Bodger ( everydayxj.com) etc.

Benefits: This is one of those things where there is no right answer, it depends on what...
Forum: XJS ( X27 )
06-19-2019, 08:09 PM
Replies: 23
Views: 915
Posted By Jagboi64

You wouldn't get very far, it's impossible to...

You wouldn't get very far, it's impossible to move if the system has not been depressurized. You have to pump the brake pedal about 30 times ( seriously) with the ignition off to depressurize the...
Forum: XJS ( X27 )
06-19-2019, 01:23 PM
Replies: 23
Views: 1,112
Posted By Jagboi64

From my days designing industrial equipment, the...

From my days designing industrial equipment, the recommendations were between 75-95C. 140 is way too hot, that will oxidise the oil rapidly and shorten it's life considerably. How were you measuring...
Forum: XJS ( X27 )
06-19-2019, 11:40 AM
Replies: 23
Views: 915
Posted By Jagboi64

The ball is charged with nitrogen to about 3,000...

The ball is charged with nitrogen to about 3,000 psi, so pushing on the pedal won't do anything to the seal. There is a very specific procedure to remove the ball, you need to depressurize the system...
Forum: XJS ( X27 )
06-18-2019, 11:48 AM
Replies: 6
Views: 726
Posted By Jagboi64

The biggest one is having the correct...

The biggest one is having the correct thermostats. As Grant explains in this post: https://www.jaguarforums.com/forum/xjs-x27-32/v12-thermostats-149202/#post1302110 most thermostats don`t have a long...
Forum: XJS ( X27 )
06-17-2019, 07:41 PM
Replies: 23
Views: 1,112
Posted By Jagboi64

Could be the voltage regulator is bad in the...

Could be the voltage regulator is bad in the alternator. I wouldn't drive it like that. Changing the alternator isn't the easiest thing in the world, but doable. Easier if you don't have an air pump....
Forum: XJS ( X27 )
06-15-2019, 12:13 AM
Replies: 13
Views: 917
Posted By Jagboi64

Evaporative emissions. It's connected to the fuel...

Evaporative emissions. It's connected to the fuel tank so as the car sits any fuel that evaporates is absorbed by the charcoal. When the car is running vacuum is applied to the cannister and pulls...
Forum: XJS ( X27 )
06-14-2019, 01:25 PM
Replies: 19
Views: 1,079
Posted By Jagboi64

Maybe try looking for a air freight...

Maybe try looking for a air freight forwarder/consolidator? If Daim can do the customs paperwork on his side ( usually easy to do) the cost can be surprisingly cheap. I brought a Rover V8 engine from...
Forum: XJS ( X27 )
06-10-2019, 11:15 PM
Replies: 13
Views: 687
Posted By Jagboi64

I pulled out the old Waxstat brand thermostat,...

I pulled out the old Waxstat brand thermostat, rated at 88. I boiled it quite vigorously and it begrudgingly moved to 38mm. Until the pan of water was at a roiling boil it was only moving to 36-37mm....
Forum: XJS ( X27 )
06-10-2019, 05:54 PM
Replies: 3
Views: 328
Posted By Jagboi64

You can find all the electrical guides here:...

You can find all the electrical guides here: JagRepair.com - Jaguar Repair Information Resource (http://www.jagrepair.com/JaguarXJSElectricalOBDIIcodes.htm)
Forum: XJS ( X27 )
06-10-2019, 05:41 PM
Replies: 13
Views: 687
Posted By Jagboi64

Th thermostats I ordered arrived, and I just...

Th thermostats I ordered arrived, and I just tested them in a pan of water. They are 34mm closed, and 43mm open, so plenty of movement for what we need. This is a Gates 33188S. I have not put them in...
Showing results 1 to 25 of 500
 


 
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