Morning all,

My car is a very early V6S (VIN K00696) Hopefully in a few weeks my car will have the Supercharger isolator\snout repair kit fitted as per a Jaguar technical bulletin. To facilitate this the supercharger must be removed. I'm already aware of the lower Y-pipe water outlet issues and an updated part is available (AJ813865) and will be ordering that, but just wondered if there is any value in replacing the upper water outlet or any other parts (hoses etc?) whilst the supercharger is removed to resolve the clunk whilst turning the engine off.

Cheers

 

I would of course change the oil in the unit also might as well put a new belt on to

 

Not so much the AJ126 V6 or the F-Type, but the blokes with the AJ133 SC 5.0 V8 in the XFR, XJR and XKR pretty much all reckon that while you have the SC off you should get every single plastic coolant pipe/tube replaced as one or more will fail in time. Same with the thermostat and the coolant pump.
Same coolant pipes/tubes, thermostat and coolant pump in both engines with minor variations.
Not cheap to replace them all but cheapish insurance if you intend to keep your F-Type V6 for a few more years yet.

 

I concur w OzXFR. I had a plastic coolant hose crack (under SC snout) on an AJ133 and it cost me a new motor. I'm planning to replace those coolant hoses every 3 years now.

 

It's also a good idea to replace the heater pipe behind the supercharger since they're prone to failure as well. The part number is AJ814053.

 

Oh that doesn't sound good, do you happen to know the part number for the V6S?

 

You shouldnt have to replace every three years. The old design was two half pieces mated together and would leak at the seam. The updated is a one piece molded hose. Havent seen any problems with updated hoses.

 

Do you know the MY when the updated hoses were introduced?

 

Part number would be great

 

V6S_JM, My V8 was a '14 like your V6S so swapping that hose would be a good idea. Part# AJ813865

Rummy636, can you confirm this is the redesigned part?

 

Yeah thats the updated lower hose part number. When you get that, the upper hose is replaced also.

 

Not sure. Not hard to see the difference. Rigth next to the bypass valve on S/C, it will be one separation, not two.

 

Thanks for confirming, that's the part I mentioned in the first post that I already plan to replace so we're aligned

Just wonder if it's worth replacing the top hose.

 

When you replace the lower, you have to replace the upper. Its redesigned and wont work properly with the old style. New part number is AJ813917 in most cases. There is a second part number for the upper. I would double check before ordering.

 

I would also replace the knock sensors (assuming they're in the same location as the V8) and see about cleaning the intake valves if they've got carbon built up.

 

Thanks for you input guys.

Shopping list is as follows:

C2Z28536 (was AJ813865) – Lower Thermostat and Water Outlet
AJ811350 - O-Ring


AJ813917 – Upper Thermostat & Water Outlet
AJ810551 - Screw
AJ811615 - Screw
AJ813918 - o-ring


AJ814053 – Heater Pipe


I could go crazy and start replacing everything else connected to those (such as C2Z28258), but think this will do as preventative maintenance.

The knock sensor mentioned above is part number JDE40131 (I think),. It's attached to the block so don't think it would require supercharger removal to replace?

https://parts.jaguarlandroverclassic...ck-sensor.html

 

At least on the V8, the knock sensors are underneath the supercharger. No way to replace them without removal.

 

Why would you replace the knock sensors if theres nothing wrong with them. Never seen an issue with them unless the vehicle is tuned and its not the sensors that are bad.

 

As with any sensor, they age and wear, especially considering their location. Like O2 sensors, they may not be to the point of throwing codes yet but they do adversely affect performance as they wear out. And while you've got the supercharger off, why not?

 

I'd be interested to know how they wear out.

I know that they can be affected by temperature cycles eventually, and if they are on contact with fuel or coolant will eventually fail.

My understanding is that they are simply a ceramic 'microphone' for want of a better definition, and either work or are faulty.

If they were a cheap sensor, it's worth replacing whilst they are accessible, but only for peace of mind.