Waking Up an Old V12 - Almost ends in a disaster!
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- Опубліковано 4 жов 2024
- Sadly I haven't used my 1977 Jaguar XJ12 for over a year. I have been busy with other cars on the channel and due to the current world situation there weren't any car show or events this summer to take it to. However, now i'm waking up and old v12 but it almost ends in a disaster!
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#wakingupanoldv12 #v12engine #jaguar
Many years ago I had a Series 2 V12 with a GM400 auto transmission. It developed an oil leak that would drip on my driveway and it took me a year and a half to discover the cause. In the meantime the sump pan had numerous gaskets, I inspected the torque converter with a magnifier for micro porosity, I was absolutely stumped until one day, whilst laying underneath I had a sudden moment of clarity, a revelation.
I inspected the dipstick/filler tube and found that the small O ring that sealed the tube into the box had hardened over the years and was no longer completely sealed.
After spending more than £150 over the course of eighteen months I fixed the problem for £0.58p. I was both elated and furious, mainly at myself.
I no longer have that Jag, but I do have an X308 4.0 V8 which is actually almost as smooth as the V12.
Good luck with yours, it's a beautiful car and you're a lucky man to have such a transport of delight.
All the very best, Dave.
Thanks for the suggestions Dave! I think you’re right that it may be from the dipstick or maybe the breather. So far it hasn’t left a huge mess on the ground again. I’ll have a look at that I-ring but otherwise the cure seems to be to use it.
The Jaguar V8 is a fine engine too. I’m about to do a lot of work to one here on the channel. Maybe you’ll enjoy those videos
Sowing what 'can' go wrong. Thats not only a very courageous thing to do but it shows us viewers the realities of owning a classic
Theyre are & will be things that need doing. Well done, thanks 👍
That took me down memory lane. The sounds they make are special, and the smells! I had a series 2 XJ12L (carburated) a pre HE XJS V12 , a series 3 XJ12, and finally an XJ3.6 all were wonderful thanks for sharing
Tx for. Moi ma Pop pi
I had a 4.2 xj6 1976, to really flew and loved the primrose color!
Earl Carpentier
Beautiful car That's what I call a proper Jag!!
Thank you! It’s my favorite car I the fleet
I paint my exhaust pipes and muffler with acrylic paint. the heat bakes it on. Never have seen them rust out. Paint everything under the car and it is sealed in plastic, and never rusts. If there is surface rust, sand with 80 or 150 grid first. I live where they use salt in the winter. It destroys cars, but not mine. Your XJ12 is very nice. paint it with acrylic under it, and it will keep it from rusting. Painted bolts come off easier then rusty ones. You can brush it on and spray the rest. Great job Adam, with yours. The things I recommend to you, I have used for Forty years and they work very, very well, or I wouldn't use them. The lube product I told you about is like night and day. I never BS anyone.
My XJS had the surge tank professionally sealed and replaced the main fuel tank. The original main tank had a dodgie repair job and was porous. When I brought it 5 years ago it literally ran on 3 of 12 cylinders. All because the tank was pourous and literally suffocated it of fuel with gunk accumulated over the years. Always enjoy watching "Vice Grip Garage" on youtube as he always starts old cars by not even using the original fuel system for this reason.
I have used the Bill Hirsch tank sealer. Works well. Can be used with ethanol fuel.
Beautiful car and beautiful countryside!
Thank you. I had an S2 Double 6 VDP that had been lumped. I left the country and I've no idea of where she is now.
I can enjoy your cars vicariously.
The double six have really nice interiors. Hope to have one some day
The fuel leak is a metal pipe above the beaver panel (welded in) If you dont wish to replace pipe straight away, cut away the rusted portion and replace with rubber fuel hose and two clamps. This fix will get you out of trouble. One thing I noticed. I it does not have drain holes in rear muffler, drill a hole at the front at the lowest point. This allows water to drain and will help stop rusting from inside the muffler. Most Bosch fuel pumps make noise, even when new. just a matter of luck. You can feel if its getting Hot/warm after some use, this will indicate premature failure. I wont comment on the fuel tank sealer. best to replace them!. Love the Series 2's. Its what I have, A Daimler Double six VDP and XJC 4.2. Keep the videos coming Adam. well done
Good morning my friend I am one of your followers and I have 1980 xj12
I pay this car one year a go and start fixing some issues with it and your videos was helpings me a lot thank you very much
Now I fix the injectors and rebuild them and install them and I discover that there is now electricity in the left side of the injectors system if you can help me on that
And if you can give me your e mail I can send you some photos and explain more .thanks again
Beautiful old jaguar, great that you are using and restoring this car, and a really interesting video. Thanks
You have a beautiful car there... I am dead envious 😛
Thank you! I love it
Nice car, i love these old jags!
Oh dear Adam just when you think all is well. This week mine has decided to start flooding and stall after running for a few minutes, so now the fun begins 😁
Maybe it’s just a bad month for old Jaguars? Hope you fix the flooding soon
Will fallow you're post. I have exactly the same leak, it looks also like coming from the transmission and till so far I wasn't able to find where it's coming from.
Wow, watching your videos is like looking at my younger self. I was into the same cars and I owned the same cars. There was a British car scene in America back then which has all but dissipated. I owned a '77 XJ12L, which I spent many hours tinkering with. I also owned a Vanden Plas XJ40 (Essentially same as Daimer) from 9000 miles until 130,000 miles. Today I still own a '92 XJS V12 convertible, which spends most of its time in storage. With regard to your fuel leak, there's a possibility that the fuel tank itself is leaking. It was a very common problem. I only used one tank throughout my entire ownership because the other tank had a leak. Replacing the fuel tank is a pain of a job. I started it but eventually gave up.
I have tried POR15 tank sealer. I have mixed reviews. It is very difficult clean out the inside of the misshaped tank that XJ's have and take a ton of time to do it right. The other big question is how bad the tanks are mine were very corroded I found a small pile of mud that filled the gap between tank and valence panel. I refinished the inside of the tank with por15 and while refinishing the outside I wore a hole in the tank. Also in my area it was difficult to find the gaskets and pre-filters for the tank. Also if you do refinish them be careful with the o-ring groove at the top of the tanks if you get any sealer in there the tolerance will be off and you will fight a lost battle when trying to refit the filler cap. After all the work refinishing the tanks, I ended up trashing both of them for different reasons. If you are looking at redoing the tanks consider new ones they can be had for not ridiculous money.
I used Tank-Kleen and Slosh on my 89 XJS.I was getting a strong smell of fuel when opening the boot.Its a two stage process and has cured the problem.It was supplies by Rustbuster Ltd in the UK.
Hi Adam, I am restoring a Jaguar E-Type V12 at the moment and when I took the engine and cooling system apart I found some gummy residue flocking and sticking to the inside of the engine and all cooling components. Now I don’t know what stuff they dumped into the cooling system but I would never recommend anything like it inside or anywhere near my cars. There is to much „snake oil“ on the market. Get the tank professionelly repaired and stay on the safe side.
Btw., what they tried to fix was just the wrong pressure cap on the radiator that needed to be replaced with the correct spring pressure rating and the problem of overflowing water was solved.
Greetings from Germany
Bernhard
Glad it was an easy fix!
It doesn’t seem to be a leaking tank but a damaged hose. My idea to seal the tanks was more of a way to preserve them and make them last longer
Living With A Classic
Ok, keep us posted. On a V12 things could be much worse. On my E-Type I had 4 out of the 12 cylinders with broken pistonrings and the car still drove, smooth (not strong 🤣🤣🤣). I always prefer taking things completely apart and fix the from the ground up.
Greetings
Best stuff on the market for the cooling system is Evans waterless coolant. If you love your E-Type, you be converted to this stuff. Hope you find it interesting.
joe blogs
Hi Joe, are you useing Evans?
I knew only 2 people who used Evans and both removed it and use normal coolant again. I cannot tell you why, but all the „good“ stuff I read about doesn’t seem to hold up. I will, until my car is broken in, use just destilled water and once everything works I will replace it with the orange type coolant (which I dislike too). I will ask my friends why they removed Evans again.
Greetings
Bernhard List hopefully you don’t use pure water you need some Glycol based stuff as well for lubrication of the wet parts of water pump as well.
Adam that 77 V12 is a keeper. 80,000K and 75lbs oil pressure..its still wet behind the wings. My 88 V12 has 235K and 20lbs oil pressure (must be sensor) yet purrs like a kitten and my spare 87 V12 has 180K and 45 lbs oil pressure.. As for that noise from fuel pump both of my V12's use generic ones and are quiet. We are lucky on the West coast of Canada no auto inspection needed unless coming from another province. Thanks for telling me where oil pressure sensor is. Glad you know youtubes Project Farm, check out its test on ceramic car polishes. The low cost Turtle one will blow you away. Your video's have been a big help in doing my Jag repairs. Love your red XJS and that crazy rooster. Oh we too miss our summer car shows or swap meets. A little Canadian humor here......a 45 year guy applying for job......how long did you work at your last employer ?? 60 years sir. Hows that possible your only 45?? Overtime.
Hi, thanks for your videos, it gives me the will to work again on my xjs... :) Also it might be to late but I had the same leak from both tanks (on a xj12 ), right on the exhausts, and I found out the seals of the tanks bleeding screws were completely dry. It cost me 5 euro to replace them and saved me a lot of time and money...just a clue ;)
Great video again, thanks !
What a beautiful Jag. The kents suit the car perfectly. Fantastic oil pressure ! Fully deserves bringing back to top condition. Great video.
Thanks a lot Steve! This is a car I’m keeping for life.
It's almost definitely one of the metal pipes that run from the tank into the trunk area. Not available from Jaguar but they can be made. The nuts where they fix to the tank can be awkward to get at though - BSF/Whitworth sizes.
The O ring on that vaccume regulater on side of autobox used to leak, pictured at 9 min 50 sec.
I’ll double check there, thanks!
Gee thats a beautiful car 😀
Beautiful colour and Jag tyres
Thank you!
Have not tried out any tank sealant but Im considering it. Tanks are anyway out and freshly painted on the outside. Will have a look into that. (Also a XJ12)
i think the series 2 are the best looking xj
I agree! They are my favorite 🙂
@@LivingWithAClassic Nah... series 1 tops it, just. Look at how the series 1 jags grille sits under the bonnet. Looks sweeter to me.
Series 2 Coupé is the best looking Jag ever, of course! 😀
That is so true! Someday maybe 😉
@@titusandronicus4826 now you’re talking, they are stunning!
Hi I have used tank sealer on my jags it is good stuff u should do it on all your jags
Thats a great car, a fuel leak is not a big problem, glad the head gasket failure is on the 6! Unless the 12 has been well dosed with antifreeze for its corrosion protection properties, head removal can be a real head ache if
Yes I’m very glad too! This V12 has been well taken care of all it’s life so hopefully it continues to run well. Thanks for watching!
Nice car, next time you do oil change wedge a piece of card by the exhaust and oil drain. It will act like a funnel and it keeps it from going on exhaust.
That’s a good tip! I’ll try it next time
Gorgeous car sir and excellent video as always.
Thank you!
The correct oil pressure is 20lbs at idle 40lbs under load. Please replace the oil pressure relief valve spring to correct this issue. This is a reoccurring Jaguar engine issue. The correct idle speed is 500 rpm warm.
If your car has been standing for a long time its not unknown for the transmission to 'leak' fluid. There's a lot of fluid in the torque converter and it slowly leaks down into the transmission where the level rises until it begins to leak from the air vent. You won't see this from a car that is used regularly. Quite common on these old Jags and nothing to worry about. Top it back up and watch the level carefully for a time.
I think you're right that it's from there. I used to drive this thing atleast once every 2 weeks or so. The cure is to use it more I guess
Well that sucks. Adam, i have used POR-15 perhaps a dozen times and i have had no failures. The biggest thing with POR-15 is it must must must be dry, that whould be my concern for with your application would be getting it properly dry after cleaning.
It does but it seems to just be a damaged hose. Panel will come off tomorrow to have a look.
Was it POR-15 tank sealer you used or their normal paint on metal?
@@LivingWithAClassic l have only used the tank sealer.
Great! I’ve heard it really has to dry also. A local classic car shop recommended letting a fan blow through it for a few days to really dry it
That’s is such a pretty car Adam 👍 shame about the petrol leak I hope it’s only something minor 🙏🙏🙏🙏
Thanks Rick! I do believe it’s my favorite of the cars in the fleet. I tend to forget about it sometimes but it always puts a huge smile on my face when I see it
lovely old girl. If you do repaint he do not use apoxy use lead if detailing is needed.
Very nice car! I love the Series 1 cars, but I will agree with earlier comments that the coupe is the best looking of the early salon Jags. Someday. :-) In the meantime I continue work on my 72 Series 1 and enjoy every mile I put on it!!
I like all of the series in their own way but the series 2 is probably my favorite. I hope I someday have a coupe and maybe a series 1 at some point
Bad luck but seems like a line rather than tank.
Like going through the problems along with success. Just like my garage.
While the sub frame is off on my XJS I will be replacing all the fuel (and brake lines) in that area for that very reason, there is already a leak into the boot. The new SS exhaust system is due tomorrow.
It’s a great idea to do that! All these lines back there are new so it’s a bit of a mystery
Hi Adam. Good luck with this problem ! It doesn't appear to be the tank and l didn't realise the modern ethonal fuels rotted out the tanks !😨😨 Even though the lines are pretty recent doesn't mean they haven't deteriorated. It's not a quick job to drop the tank covers particularly if the rear centre bumper bolts start turning ! 😨😨 The joy of classic car ownership ! And how on earth you could afford this as a student , heaven knows! Mind you it must have been great taking ladies out! ( says he who had his XJ6 at 23 !) That rear centre panel looks like it may need attention at some point. Heaven to drive though ! As much as l enjoyed my XJ6's the V12 is so silky smooth and very rapid ! Good luck Adam !
To my understanding ethanol attracts any moisture so tanks can rust out more easily. It was a struggle as a student but well worth it 🙂
That panel does need to be sorted at some point. It’s pretty solid overall but when I paint it I think there will be small amounts of welding in a few places.
It’s the smoothness combined with the quietness of the V12 that I really like. There’s nothing like it
@@LivingWithAClassic Drove a 6litre V12 a few years back .....gorgeous !
Well thats done. 1990 xjs v12
Well it's over my 1990 xjs V12 classic collection it went on to a new home where could be well taken care of now I'm out looking for a V 6 2 + 2 so much more room so much more economical wish me luck
Hope you find the right car for you
Hi Adam - I would be interested in a video on how to polish the Kent alloys, which are you planning to do. The powder coating on my car's Kent alloys is flaking off and I would rather strip the paint and polish the bare metal. Any advice on how to do that, would be good!
"We have cats" - maybe the katter are taking a nap when the mice are chewing your fuel lines. But more likely its a chafed line or a crack in a hose. I hate fuel leaks in the boot cos fuel soaks into the sound absorbing and the smell hangs around for weeks.
Haha yes the cats are a little lazy sometimes. Traps work well too. Never trapped anything in the workshop just outside in the stable.
I hate it too but luckily this is just outside the boot
Are there much difference in road noise and fuel consumption between V12 and six 4.2 ?
hello mate. i bought a 1979 xj12 lwb auto couple of years ago to restore. was a non runner but got it running by changing fuel pump, draining out fuel and bypassing the diverter value (temp measure) . i noticed the old fuel was very rusty colour so im guessing the tanks are rotten inside? is this something i must replace or can i use as is? i have placed an additional inline filter before the fuel gets into the boot fuel pump. Next job is to replace both floor pans. do you have any how to guide or vids on this?
Man that would be a sweet daily driver... (might be gas hungry though )
She’s a little hungry when you put your foot down. If it wasn’t a pretty nice low mileage one I’d drive it all the time. Maybe some other V12 in the future for more daily use
Hi Adam, my friend recently sealed his rusty fuel tank (Holden Commodore - 1980) with POR15 tank sealant. It worked very well and has had no further problems. Just be aware, his research showed that the sealant will not adhere to plastic.
I have a problem with my XJ6 series 2 with one of the tanks. when the fuel falls below half full it happens that the engine suddenly slows down and does not react anymore to the gas pedal. when i then switch the tank while still driving everything is fine again, I think its probably some debris in this tank.
or would you have another explanation?
therefore i would be very grateful if you show how to change the tank in a video. i think i will rather replace it than try to repair it. the price with sng barratt seems ok to me.
thanks again for another great video. Tobias from Germany
I thought all XJ12 s2 had the thin chrome trim along the sides..? Guess not.
Your paint hasd same issue as mine LOL
Im doing mine too, but it was the rusty tank for me that had to be change. Don't know yet If I'll go with a new part or try to restore it.
For me it’s the shipment cost of the new tanks that hurts. Shipment would be as much as the tanks cost if not more
@@LivingWithAClassic Yup same, goes with me, shipping price are up the chart. But near my city there's a English mini-junkyard. Waiting for his call back if he got the part I need on one of his car. Will influenfce a lof my decision If I go on restoring it but it just so full of rust that I doubt be able to make it like a new. Will wait on his call, still hoping.
Ethanol is not good with rubeer hoses
Wasn't that a 150 MPH car when the fastest Porsche or BMW was 135?
Yes and I think it would still do it. I’ve had it up to just about 100 mph and there was a lot left to give. Nothing beat that acceleration from 60 to 100. It was something
That's annoying, the fuel link I mean. Another job to do!
It is but glad I caught it at home. Hopefully a pretty quick fix too
Had the same problem, my fingers are crossed that it’s not the pipe from hell that comes over the rear subframe. Which is what happened to mine. 🤨
I hope so too! I think it’s a rubber hose connection by the tank
Would you recommend xj6 or xjs v12 as first project car to start learning?
I think they are both good ones. The V12 is a more modern engine than the old XK unit. Just be aware of rust on both models. They are just like any car, you can work on them with a good manual
The biggest difference is you will cut your hands more on one than the other.....................or, if still a little daunting, get a XK8, you will be able to get the cylinder heads off in the same time it takes you to change the plugs and belts on the V12..........just with less pain ;)
Haha very true! Sometimes I wish my hands were a little smaller to work on V12s
Don’t have any to try locally, could you tell your opinion if a 195 cm tall guy would somehow fit inside?
Probably best bet is a XJ6 or XJ12 series 3. They have the highest roofline and most headroom. I’m about 185-187 and i fit fine in them all
Beautiful car just a shame the mechanicals are British LOL it is fast becoming a Rover
Hi Adam,
Is this really the oil filter or the fuel filter?
The filter in the beginning is the fuel filter
Living With A Classic
Thought so. How could you get it so free of oil residue 😁
Btw. You are up very early too. I was just messing up my powersteering rack seal a moment ago and to calm down I watched your video again 😁
I hope you get your steering rack leak free! And yes I’m always up early haha
Living With A Classic
Yes, me too. That seal is already in the garbage. Have to get a whole seal kit just for one Teflon ring, but after rebuilding the whole rack I will not take a chance here. Was my fault or lack of experience with these things. The next time I will install that Teflon-ring AFTER pushing the outer seal in. This is not much more difficult to do but the manual did say to install the ring first. Aren’t we all still learning?
Btw. where in Sweden do you live ..... my wife was born in Stockholm (Swedish mom, Austrian dad) but we live in Central Germany now.
Another question: in which video do you show how to get the Cylinderhead of the XK engine off?
I have the tool to take the V12 heads off but next year I want to upgrade the pistons and rings on my MK2 3.8 and therefore I need to take that head off too.
I like it---and would you like to sell it to me?
Please use positive words,when you say" the tachometer isnt really working" Is it,or isnt it? No it isnt, so the statement should be"the tachometer isnt working"
Hey, I just watched this video last night about cleaning out and re-sealing a fuel tank on an XJ-S. ua-cam.com/video/opKQSiCFoUQ/v-deo.html
How many times do you have to say " things don't go as planned", we all know it and don't need to hear it over and over- get on with the story.