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I have a 2011 XFR with less than 50k miles on the clock.
I have a slight clunk when coming on or off the throttle (just as the drive engages or lets go).
This has been traced to the propshaft coupling, after a visual inspection at a garage.
I have searched, and it seems this is a relatively common thing to go on this car. It drives fine otherwise, but the clunking is annoying.
What I haven't been able to determine is which part I can buy to replace the coupling without shelling out for the entire propshaft that Jag insist on. There are various threads with a suggested a particular part number but the part is out of stock. Other threads have suggested it shares the same part as other cars, but I haven't found anything conclusive yet.
Has anyone tackled this one recently who can offer advice?
Finally, and a real newbie question, but are there 2 couplings that need replacing or just one? Do the parts differ if there is more than one?
Well I'm still on the hunt for the correct part. It's also impossible to find the SGF gap01-003 part that other people have suggested.
I checked other part numbers suggested too, but to no avail.
So I'm not looking at this from another angle and knowing the dimensions of the SGF part and the comments suggesting that it's the same part used on some Cayenne's I thought I might be able to just match the dimensions.
There is a Jaguar part listed for the S-Type/S-Type R which fits XJ ,XJR and early XF and XFR cars. On these cars there are 2 identical flex joints, front and rear. Your car may have something different.
This has been traced to the propshaft coupling, after a visual inspection at a garage.
Finally, and a real newbie question, but are there 2 couplings that need replacing or just one? Do the parts differ if there is more than one?
There is a large rubber donut at the front, a centre bearing and a universal joint at the rear axle. Which one did the garage suggest was the problem. If you don't know get underneath and jiggle the shaft backwards and forwards by hand and look/listen. There will be some movement caused by play in the diff.
There is a large rubber donut at the front, a centre bearing and a universal joint at the rear axle. Which one did the garage suggest was the problem. If you don't know get underneath and jiggle the shaft backwards and forwards by hand and look/listen. There will be some movement caused by play in the diff.
OK I have a positive update which confirms my research worked!
So I searched high and low for part numbers SGF GAP01-003 and then later GRA 003110. I only found old sites, overseas companies which no longer had stock etc.
So after confirming the measurements of the Dorman 935-107 part which was available on amazon, I took the plunge.
The package just arrived and I'm presented with this.
SGF part GAP01-003 after all!
So for anyone now on the hunt for one of these parts, I can happily recommend going for the Dorman 935-107
I had the part fitted which clearly needed doing but the issue still remains and now I'm concerned it's something more sinister.
Problem is as follows.
On / off the throttle whilst moving there is an engagement noise. Kind of like a clunk / rotational noise. In addition to this, I'm no XFR expert but there is a definite delay / pause in moving between gears which is more pronounced under heaver throttle inputs.
In addition to the guibo, I've recently had the transmission fluid changed but unfortunately the problem remains.
Have you done your transmission and engine mounts yet? Transmission mount did it for me with throttle-based clunk/ grunt noise. Engine mounts also required replacement, but were not associated with the throttle noise. If you haven’t done the transmission mount, I am 90% sure that will cure your ills.
Have you done your transmission and engine mounts yet? Transmission mount did it for me with throttle-based clunk/ grunt noise. Engine mounts also required replacement, but were not associated with the throttle noise. If you haven’t done the transmission mount, I am 90% sure that will cure your ills.
Thanks. I have it booked in to check just that, and I think you could well be right.
A guy I spoke to over the phone about it instantly said shock mounts.
I'm not sure about all the ins and outs of the XFR but all I do know is there feels like there is some light clunking when going over rough ground. Last time it was in, I asked them to check the suspension bushes and they reported back that it was fine.
In addition (and I'm not sure what is normal on this car) but when revving the engine at a standstill (which isn't something I tend to do), I have noticed a fair bit of shake. This could be be a trait of the big engine but it did make me wonder.
Is it a costly job getting engine and transmission mounts done?
Suspension mounts could be the problem, most people look to see if they are off-center as an indication of whether they need to be replaced (just open the hood and check). Sway bar bushings are also a common culprit for clunk noises going over bumps. They will look fine, but once they are compressed from years of service, they will start clunking. I would get them done during engine mount replacement as there should be easy access at that time. Can get poly sway bar bushings from PowerflexUSA if you’re interested (more durable). Just remember to use the supplied lubricant or your clunk will be replaced with a squeaking sound.
On my XJ (should be the same for XFR), the transmission mount was pretty easy, whereas the engine mounts required moving the steering rack. So they were more expensive. I think I paid in the range of $600-$1000 for labor at an independent shop IIRC. My recommendation is get them all done simultaneously, as one being bad means they are all bad.
Have you done your transmission and engine mounts yet? Transmission mount did it for me with throttle-based clunk/ grunt noise. Engine mounts also required replacement, but were not associated with the throttle noise. If you haven’t done the transmission mount, I am 90% sure that will cure your ills.
You sir are a genius!
I had the transmission mount swapped today and the change is a night and day difference.
The moment I started the engine I could instantly feel a huge difference. Loads less vibration and noise.
Driving just 100 yards down the road and I knew it was resolved.
Now the car is so much more confidence inspiring and a joy to drive. Dare I say but it almost feels limo style smooth!
I'll complement it with new engine mounts next and they also noticed some weeping from some of the gaskets but nothing major.
Thanks again for the accurate suggestion! Spot on :-)
You also helped me with that Dorman part number. I have been meaning to change my guibo / flexplate for a while now. The part number you provided made it easy. Thanks.
You also helped me with that Dorman part number. I have been meaning to change my guibo / flexplate for a while now. The part number you provided made it easy. Thanks.
Seriously, really helpful. Here in the UAE they'd have me replacing alsorts before getting down to the root cause of the issue. I can live with certain things not being perfect but this issue was bugging me in a big way. Amazing what just a simple part can do!
Glad the guibo part number is of use. I was convinced this was the problem with my car before and put alot of effort into finding a part that fit rather than stumping up the cash for a whole new propshaft!
XFR - Propshaft Coupling
