I currently have a problem with the nylon fan blades catching the lower part of the shroud. As the car is 41 years old and probably has the original engine mounts I suspect that is the problem. The catching takes place when the engine is revved and it moves due to the torque effect.

I am preparing to replace the mounts and wondered if anyone has any tips. Facilities are limited with just a trolley jack and axle stands.

 

I did mine in a driveway. What you have will do!

1. I went with URO branded mounts. I also received one from MTC. Stick with OEM or URO. Remember each side is a unique mount, don't just order a mount x2.
2. I think the best way to go here is to undo both bolts and lift the engine block, carefully, and evenly, up, high enough to clear the studs. You'll have to go higher than you think to make sure you can remove the old mounts without the studs getting trapped by the engine.
3. Then carefully lower the engine, so that the mount studs make it through the eyelets.

Good luck!

I also will add this from a post I made when I did the mounts:

Thought I should add the following:
1. You will need a 9/16" wrench to loosen the nut on the top of the mount. You will need a 15mm to loosen the nut on the underside of the mount. The underside nuts come with washers, the top ones do not.
2. The power steering hoses are in the way of the underside nut on the drivers side mount. What a pain it is to do that job in the blind. In order to get the nut (and washer) back on, I squirted some dielectric grease into a 1/2" drive 15mm socket and got the nut to take. The grease held the nut and washer in the socket as I rotated my way through and around the power steering hoses so I could get the nut back on.
3. OEM manufacturer is indeed Metalastik. My old parts were still in good shape and probably did not have to change it out. I replaced them with URO branded mounts.

 

Thanks Vee. That is most useful although I had to think twice as your drivers side is on the left! I have all that is needed apart from a double jointed midwife to assist!!

did you r fan blades catch/

Regards

Roger

 

Yes they did. I found that one of my mounts had delaminated. That allowed the engine to briefly rotate when I hit the gas.

 

A ratchet spanner is a great help! On my car both top and bottom nuts are 9/16ths. I suggest an engine support bar across the wing gutters is best to raise the engine (they can be rented), though if you use a jack under it instead be sure the load is well spread on the sump or it will deform. Also, very important, have solid support under the engine as well as the jack!
Try to find genuine metalastik mounts, anything else is far, far less durable.
https://www.ebay.co.uk/itm/204630103...3ABFBMxIKr4cVl

https://www.ebay.co.uk/itm/276829550...3ABFBMwMWv4cVl

 

same part no both sides JAGUAR PRICES JLM1010 - Engine mounting rubber↳
JLM1010 - £42.85

 

How is the transmission mount? If the spring mount has collapsed it could cause the same problem. I think transmission mount failure is more common. Worth having a look.

 

***SHORT INDIAN TOO LOW*** - You should specify your model year. For some reason I assumed it was a facelift, but a 41 year old car would certainly make it older than that. You should ignore everything I posted. It may not apply to you.

 

If think most of what you wrote is still relevant. As stated in my profile XJS-C 1984. Cheers

 

Thanks for the advice Greg. I have ratchet spanners but only metric so may acquire a set. I will certainly be careful where and how I use the jack.
Regards Roger

 

Thanks Nick. I had thought about that possibility but concluded that a failure would allow the transmission to drop thereby moving the fan upwards not downwards as is the case here butI will certainly check that out. This is a 3.6 model with a manual Getrag box so mountings will be different from yours.

Regards Roger

 

Putting it into your signature is best.

 

Still not fixed this but should manage it this week. Did your mountings have spacers? The exploded diagram someone sent shows one at the top.

 

It's a giant metal washer. It'll be there, don't worry.

 

On my car and cars of its era, It is actually some sort of insulator, made of some sort of hard synthetic material, and it does not matter if it is left out.

 

If left out, does the motor sit lower?

 

By about 1/16th of an inch!

 

You certainly find a fender washer at a hardware store that can provide the same function. Stainless would be ideal, but not necessary.

 

Short Indian too Low,

As Nick suggested, definitely check your transmission mount first, as it's a much easier check and the more frequent culprit. Wear here allows the engine to pivot either way under load or deceleration.

Good luck

Paul

 

Thanks Paul. Not made any progress due to commitments and having made some enquiries I am more confused than ever.

Regarding the mounts they can be a double or triple Metalastic type unit and I have been given conflicting inf. re which is correct. The workshop manual shows triple mounts on both sides, a different exploded diagram shows double mounts and Berkshire Jaguar spares tell me to use a double on the left and a triple on the right! Nobody seems to sell the spacer but I can find a large thick washer.

I have attached some photos and you will see the fan has considerable clearance from the cowl at the top and the damage on the blade is shown. Looking at the gap I doubt whether new mounts and spacers will lift the engine enough to restore it to the correct height so maybe it is the gearbox mount. If this has failed I think the position of the engine mounts and the weight of the gearbox would make the engine tilt upwards. Just wondering if someone has fitted the gearbox mount wrongly. The manual refers to spring, spacers and micron insert. Do not know what these are but can they be fitted incorrectly and lift the gearbox?

Ant thought will be appreciated.