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Jaguar XK8 Catalytic Convertors, differences, aftermarket alternatives & removal tips XKR X100 AT06
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- เผยแพร่เมื่อ 14 ส.ค. 2024
- Everything to want to know about XK8 catalytic convertors and lots you probably don't. Finding, removing and replacing made easier.
00:00 Introduction
00:28 Contents Chapter Index
01:00 Differences
01:09 O2 Sensors
02:27 Exhaust fitment
02:40 Lower mounting bracket
03:33 Summary of differences
03:49 Downpipes without catalytic convertors
04:22 Replacement options
06:09 Location points
08:16 LHS access
08:41 RHS access
09:22 Recommended tools
11:49 Top tips and hacks
13:24 Removing LHS Catalytic convertor
17:14 Removing LHS Catalytic convertor
21:24 Coming next
21:49 Wrap up
Please 'like' if you like the video by pressing the thumbs up, this is much appreciated.
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This is not an official guide and is for general information and interest only.
Part of a series of short videos on the experience with maintaining our own cars.
We currently have a 1996 Jaguar XK8 4.0 V8 Petrol, a 2014 Ford Kuga (Explorer) 2.0 diesel and a 2013 Nissan Leaf 80Kw Electric car.
We Current have lots of useful playlists on the @O&DRModurol Channel for these cars.
You can also find us on:-
Facebook - / damian.richmond.1
Instagram - / oanddr_modurol
Hi Damian
Love all of your videos as you know. However I LOVED this one. Excellent clear advice on what to the uninitiated seems like ‘ how to remove a dozen 19:23 nuts. But to those that know, Up to a full day of swearing and knuckle bashing!!.
Loved your ‘ tape restricted UJ’ hack and will use that for sure.
I’m a huge fan of the wobble joint, and invested in a really nice full set about 10 years ago and use them more often than the standard extensions for all but the highest torque applications.
Excellent work mate👍👍👍👍🍺
John, Thank you for your comment and kind words. Means a lot coming from you and it's very much appreciated. We are trying are best and hope to get the Automatic Transmission out shortly. We need to get the XK8 back on the road before the summer comes and goes, regards Damian.
Wow, that "wobble" extension is new to me. Great top tip. I would also recommend only buying extensions with knurling for non-slip finger loosening & tightening. It makes life so much easier with greasy hands.
Tom, good idea to buy knurled extensions, regards Damian
Brilliant video Damian. This was something that I had to do about 3 years ago when the R/H cat innards disintegrated. One of the toughest jobs I've ever undertaken on the car. Three of the studs eventually sheared off and my knuckles took weeks to recover! Those tips and tool recommendations were superb. Only wish this video had been around at the time.
Despite this invaluable resource, can't say that I'm looking forward to the inevitable day when the L/H one needs exchanging. Better start applying penetrating fluid now, just in case 😂. All the best mate 👏
Gerard, thank you for your support, as you say not the easiest job on the XK8. Once bitten twice shy, all the best to you too, regards Damian.
Thank you very much, and for that money it's a no trainer.
Thanks again,
Jon
Jon, no problem. Forgot to mention, would love to see photos of your cars, regards Damian (oanddr@gmail.com).
I couldn’t find the California certification converts when doing an engine so new studs and some welding was required
Robert, sounds like you needed to be resourceful. Welding them isn't a bad solution, regards Damian
Working on the exhaust manifold is one of the most difficult for any mechanic because the stud bolts are heavily rusted and often break off. I hate this work. At the moment I need to install a new exhaust on my VOLVO. A horror.😮
Udo, agree I do not want to touch those manifold bolts. Good luck and fingers crossed with your Volvo, regards Damian
Well done Damien, my "new" xk8 has recently had new cats fitted before I bought her, I dread to think how much that cost!
Jon, good to hear you are happy with your purchase, hope its coming together OK. Replacing the CATs is certainly not cheap even using budget parts (£360/pair plus labour). At least that's one job you don't need to worry about, regards Damian
Another excellent video. I'm surmising that your usual socket set is a 3/8 inch fitting and that to gain some extra space on the RHS you switched to a 1/4 inch extension rather than switching to a 3/8? Of course, your standard set might be 1/2 inch but that seems to be rather unusual these days.
I bought my 1/4 inch set specifically to use with the Jaguar a couple of decades ago even though my 3/8 inch set had served me well for decades before that on dozens of different cars but many of the clearances on the XK8 are marginal for 3/8.
Richard
Richard, good observation, that's exactly what happened. I prefer to use the 3/8" set as much as possible. Need every bit of clearance you can get and the 1/2" came in handy. Sounds like you had the same experience with your Jag. Thanks for the comment, regards Damian
Damian, do you think there might be any benefit gained from prelubing those studs now, years before needing to remove the cats? Something like WD40 antiseize spray?
Gary, It didn't seem to get us anywhere using WD40 on disassembly although it wasn't specifically an anti-seize spray. As the CATs get so extremely hot, wouldn't have thought any penetrant would survive the punishment. However, can't hurt and we are thinking of using copper slip on the nuts on reassembly just in case. The nuts and studs were is surprisingly good condition (even in the UK) probably due to there location tucked up out of the way. Hopefully you won't need to remove them with the more reliable 4.2 transmission, regards Damian
Hi Damien. Hope you're well.
I've got a Y reg XKR X100 and it smells really badly from the exhaust. Any ideas on what I should check please?
Shazzy, sorry, to be honest I have no idea. Reading up on the internet, a rotten egg smell is supposed to indicate a failing catalytic convertor. If your CATs are breaking up you should be able to hear them rattling as you drive the car. Are you getting any other symptoms, reduced power and economy? regards Damian
Sorry but may I ask how to disconnect the bottom of the catalytic converter? I know you show how to remove the bracket bolts but how do you get the bottom endnof ot off of the exhaust pipe? And thank you for this video.
@tainchains, the answer is with a rubber mallet. Used it to hit the central exhaust box and slid it off the CAT downpipes. Lots of wiggling and a bit of WD40 helped. Only problem was I also hit the rusty exhaust pipes and they deformed slightly, so be careful where you apply force. Hope that helps, regards Damian
Thank you. Mine is a 2001 Vanden Plas. Same setup though. My cat is so clogged that it is causing misfires on 1-4 cylinders. Someone neglected a failed o2 sensor for years I think.
@tainchains, no problem. Good luck with your repairs, regards Damian
The bolts did not come out with the nuts. I bought the revers torx for the bolt and it simply stripped the top
@tainchains, we have the same female Torx sockets and couldn't remove them that way either. Going to remove them using grips and buy new studs and nuts to replace them. Thanks for the comment, regards Damian
I bought m6 bolts and nuts and just used those to reattach the new own. It was diffcuul ti slide the converter off so I ended up cutting it in front of the exhaust. And the patt that was left in was also hard to remove and it was hard to slip the new converter in. Thanks for a very useful video!
@tainchains, thank you for sharing your experience, it’s noted. We have still to re-assembled ours but we are sure it will be fun, regards Damian
Thanks Damien, whilst I have no front, bonnet, rad, cooler and fan pack on, is there anything else other than, timing tensioners, Serpentine belt, belt tensioner, water pump, subframe and mounts and thermostat housing I should check? She's done 90k miles. Would you like to see photos or are you sick of looking at others cars? Cheers,
Jon
Jon, that a very inclusive list. The only other items might be the aircon compressor, alternator and starter motor. Its easier to get at these whilst you have all that off. Reference the starter I would recommend this kit from ebay (link at bottom). Fitted it myself and one thing less to worry about, regards Damian
www.ebay.co.uk/itm/251272895122?itmmeta=01HV1KXK0CKM8ZMJDZAVKN7K4H&hash=item3a81081a92:g:iBMAAMXQq8BQ6yow&itmprp=enc%3AAQAJAAAA8GYB16XU8xJR2R2H7wuSCwl%2FP7x%2FaF9dfKLTqZudapwPtsZnAOvlABa1kxdtqFK5YfC%2FzLsGWMYkAiydPLfBjJyh3%2BcMGbPKG56HnhIO0ag68JMTlH%2F30nUU4DDJLSp71WOfJBNWjwEAIXla1Jmb%2ByezIiHJLZPehuSmPlTx8%2Fp38ewrWjEQ5DReCoYp%2BRvXwvylMtNPf1%2FgQ8sURlrb6m9wk2D5q1DxyvELwquLky8yjCTLh6OjSrhkMohaJZTgAixvGZTcSm7F6Vpw6BXq6zxV%2FSVzAoHIf5b6%2Bam3hYTZIr9%2F1Wt8AAwCQnoo6E8w%2BA%3D%3D%7Ctkp%3ABk9SR6Kw9rPYYw