My 2003 K12 Micra failed due to an excessive oil leak and the mechanic said it would need the whole engine out to repair and wouldn't be worth it. Such a shame, I love the car so much.
Hey seems like you did not remove first the negative terminal of your battery before removing the sensors like MAF, TPS etc. This is to avoid check engine light to come out after you bring back everything. And you also forgot to cover the intake manifold by a clean cloth to avoid falling of screws inside the intake manifold..
Good video. Whilst you had the cover off why not tell us how to check that the timing chain tension is OK. Just a thought as my main interest is whether my chain is too loose.
Thanks for the comment, you can't really tell if it's right enough or not from there for a few reasons. You have to check the tension at the longest section of chain between pulleys which you can't do at the cams and the tensioner works off oil pressure so the chain will always be slightly slack when the engine isnt running or doesn't have oil pressure and lastly you need an electronic gauge to check it properly which you need the entire cover off to do which on the k12 involves removing the entire engine - that said when a chain slack enough start causing issues or jumping teeth you can hear it clattering badly when the engine first starts and when it revs mainly
Hi there I enjoy all your content. Great videos, all very well shown and explained 👍. Just a quick question, how long do you need to leave the ‘liquid’ gasket/sealer to cure before the engine can be used? I’ve seen differing answers ranging from 1 hour to 24 hours, so in your experience how long would you wait before starting the car? Many thanks 👌
Depends on the sealant, I always go by what the manufacturer says most of the time you leave it for at least an hour or so until it skins over slightly then you fit it The longer you can wait before starting the engine to let it cure the better really... My biggest piece of advice is less is more, a little Sealant goes a long way and I've seen countless leaks because of too much sealer
@@maxautouk thank you for your reply. The sealer I’ve been recommended to use claims to “make a leak proof gasket in seconds”, it’s the V-tech Vital Red RTV on ECP. I’ve done quite a few rocker cover gaskets where there may be a dab of sealer required in places to supplement a rubber gasket and found a couple of hours to be sufficient but I was just wondering what you did on this particular job where the whole gasket was a liquid type. Thanks again, look forward to seeing some more of your content. Top man 👍
Thanks for the reply sorry for my slow response UA-cam only just started notifying me of replies to my replies - I usually wait as long as possible, overnight if I can. But if the customer wants or needs the car back asap we have let them go after just half an hour and they have all been ok so far
@maxautouk no problem I appreciate you replying to me. That’s what I did, the customer wanted to take the car ASAP but I made them wait for 3 hours before I let them take it. It’s been great so far no leaks, it appears to have sealed perfectly. One thing I found that slowed the job down a bit was when I removed the rocker cover I discovered the factory sealer on there, looking a bit past it’s best, but on top of it appeared another bead of a different coloured sealer. It looked like it had been off before but instead of cleaning the mating surfaces off they had just put the new sealer on top of the old sealer, hence why in the first place I think there was a quite severe oil leak all around the rocker cover and not just a small weeping of oil in a few places. So after me spending the time cleaning off both surfaces of the old sealer before using my own beading of sealer the car has been perfect ever since. Anyway thank you very much for your advice and help, it was amazing and it really helped me out. Good luck in the future. I look forward to seeing more content 👌👌👍👍Chris
Do you need to place a jack under the engine at any point when removing those bolts on the top mount. I already see you answered the question I had about not needing to remove the spark plugs. Other questions I have should I disconnect battery, does the oil need to be drained.? I'm working on an 02 to 08 engine 1.2 Its got a slight oil leak and I'm trying to locate the problem and since I'm seeing some at the top on back and some at front this seems to be a good place to start. Since it's higher than the filter. Thanks Sparky.
Salut ça va ? Super tes vidéo ! Je voulais savoir par hasard si tu savais ou se trouve le capteur pmh s’il te plaît car impossible de mettre la main dessus. Merci 🙏
Ive bought a rubber gasket to fix the leak on mine however it seems to be sealant thats on the car at the moment. Wondering would sealer be better that the gasket
Yes it wouldn't be a bad idea, i have flexible magnets so if I dropped something down there I'd just fish it out no worries but you're right to mention it, covering it over would be wise!
My valve cover is stuck down solid🤬 I've pushed pulled, levered, hammered nothing has worked. And yes I've taken out all the bolts. What a pain nearly ready to put a hammer through the top of the thing
Bro i just notice the connection of hose from maf sensor goes to lower side outlet of purge valve solenoid, is that the right way of connection? And the upper outlet, the hose from charcoal canister?
Thanks for the comment, if everything had been removed then I recommend just applying steady pressure and gradually increase it hammer on it gently with a dead blow hammer... You don't want to go full gorilla or you might break something
Talhagalatasaray the crankshaft sensor is located near the catalytic converter where you can find the hose of the radiator and near the oxygen sensor...
@@kooppis if it comes with a rubber style gasket I would use that when refitting, if it comes with sealant I would refit it with sealant. As far as I know all of the Cr12de engines have the valve cover fitted with sealant. There may be other variants I haven't worked on. The first time I did this job I ordered the rubber gasket then I realised when I took it off there was now at the rubber gasket would fit so I used sealant instead after I cleaned off the old sealant. Thanks for stopping by!
@@maxautouk Do you know if there will be any difference between the CR12DE and the CG12DE ? I was just in my closeby car parts shop for a few bits and bobs and asked about the gasket - he said it's a rubber one with the 4 O rings included. I think I'll have to check it with the VIN to take what I need before pulling everything apart.
Great video. Thanks. Let’s have more K12 stuff please.
Will do my very best!
This please👍
Thanks for this video I needed to know about the gasket sealant or rubber now I'm just going to order sealant and do the job.
Let me know how you get on
My 2003 K12 Micra failed due to an excessive oil leak and the mechanic said it would need the whole engine out to repair and wouldn't be worth it. Such a shame, I love the car so much.
I'm sorry to hear that the micras make for good little cars
@@maxautouk They really do, it was my first car and I loved it so much. Going to miss it
You can always get another 😁
@@maxautouk True, I want to get a K11, but I'm worried E10 will wreck it lol
We run a 2001 K11 Micra and it runs fine on E10 fuel and is listed as compatible 🙂
Hey seems like you did not remove first the negative terminal of your battery before removing the sensors like MAF, TPS etc. This is to avoid check engine light to come out after you bring back everything. And you also forgot to cover the intake manifold by a clean cloth to avoid falling of screws inside the intake manifold..
Yep these are good tips thanks for the comment
Good video. Whilst you had the cover off why not tell us how to check that the timing chain tension is OK. Just a thought as my main interest is whether my chain is too loose.
Thanks for the comment, you can't really tell if it's right enough or not from there for a few reasons. You have to check the tension at the longest section of chain between pulleys which you can't do at the cams and the tensioner works off oil pressure so the chain will always be slightly slack when the engine isnt running or doesn't have oil pressure and lastly you need an electronic gauge to check it properly which you need the entire cover off to do which on the k12 involves removing the entire engine - that said when a chain slack enough start causing issues or jumping teeth you can hear it clattering badly when the engine first starts and when it revs mainly
Hi there I enjoy all your content. Great videos, all very well shown and explained 👍. Just a quick question, how long do you need to leave the ‘liquid’ gasket/sealer to cure before the engine can be used? I’ve seen differing answers ranging from 1 hour to 24 hours, so in your experience how long would you wait before starting the car? Many thanks 👌
Depends on the sealant, I always go by what the manufacturer says most of the time you leave it for at least an hour or so until it skins over slightly then you fit it
The longer you can wait before starting the engine to let it cure the better really... My biggest piece of advice is less is more, a little Sealant goes a long way and I've seen countless leaks because of too much sealer
@@maxautouk thank you for your reply. The sealer I’ve been recommended to use claims to “make a leak proof gasket in seconds”, it’s the V-tech Vital Red RTV on ECP. I’ve done quite a few rocker cover gaskets where there may be a dab of sealer required in places to supplement a rubber gasket and found a couple of hours to be sufficient but I was just wondering what you did on this particular job where the whole gasket was a liquid type.
Thanks again, look forward to seeing some more of your content. Top man 👍
Thanks for the reply sorry for my slow response UA-cam only just started notifying me of replies to my replies - I usually wait as long as possible, overnight if I can. But if the customer wants or needs the car back asap we have let them go after just half an hour and they have all been ok so far
@maxautouk no problem I appreciate you replying to me. That’s what I did, the customer wanted to take the car ASAP but I made them wait for 3 hours before I let them take it. It’s been great so far no leaks, it appears to have sealed perfectly. One thing I found that slowed the job down a bit was when I removed the rocker cover I discovered the factory sealer on there, looking a bit past it’s best, but on top of it appeared another bead of a different coloured sealer. It looked like it had been off before but instead of cleaning the mating surfaces off they had just put the new sealer on top of the old sealer, hence why in the first place I think there was a quite severe oil leak all around the rocker cover and not just a small weeping of oil in a few places. So after me spending the time cleaning off both surfaces of the old sealer before using my own beading of sealer the car has been perfect ever since.
Anyway thank you very much for your advice and help, it was amazing and it really helped me out. Good luck in the future. I look forward to seeing more content 👌👌👍👍Chris
Thanks for the comments 😃
Do you need to place a jack under the engine at any point when removing those bolts on the top mount.
I already see you answered the question I had about not needing to remove the spark plugs.
Other questions I have should I disconnect battery, does the oil need to be drained.?
I'm working on an 02 to 08 engine 1.2
Its got a slight oil leak and I'm trying to locate the problem and since I'm seeing some at the top on back and some at front this seems to be a good place to start.
Since it's higher than the filter.
Thanks Sparky.
No the upper engine mount should be fine with just the bracket removed
Salut ça va ? Super tes vidéo ! Je voulais savoir par hasard si tu savais ou se trouve le capteur pmh s’il te plaît car impossible de mettre la main dessus. Merci 🙏
PMH sensor doesnt translate into English very well, what is it for?
Ive bought a rubber gasket to fix the leak on mine however it seems to be sealant thats on the car at the moment. Wondering would sealer be better that the gasket
If it came sealed from factory I would use sealer again
I just noticed why you did not cover the manifold intake by a clean cloth? The screws might fall accidentally inside the open intake manifold..
Yes it wouldn't be a bad idea, i have flexible magnets so if I dropped something down there I'd just fish it out no worries but you're right to mention it, covering it over would be wise!
@@maxautouk thanks for considering but all in all are very informative thanks i subscribed to channel anyway..
Thanks 😁👍🏽
My valve cover is stuck down solid🤬 I've pushed pulled, levered, hammered nothing has worked. And yes I've taken out all the bolts. What a pain nearly ready to put a hammer through the top of the thing
Sorry to hear that, have you tried heating up the edges with a heat gun to soften the sealing material?
I tried a blow lamp but could only really heat the front and right hand side and its still not letting go😭
Actually I hadn't taken all the bolts out there was 2 on the cover itself🤦♀️ got it off now
Fantastic news, I’m glad you got it off!
Bro i just notice the connection of hose from maf sensor goes to lower side outlet of purge valve solenoid, is that the right way of connection?
And the upper outlet, the hose from charcoal canister?
Yes, this car has run since with no issues and no evaporative emissions issues
The k12 I am working on the valve cover is such a pain to take off any tips?.
Thanks for the comment, if everything had been removed then I recommend just applying steady pressure and gradually increase it hammer on it gently with a dead blow hammer...
You don't want to go full gorilla or you might break something
Does the valve cover not have a physical gasket or is it just liquid RTV?
If there is a deep groove then you can use the rubber gasket but on this instance where the groove is so shallow you need to use sealant.
@@maxautouk Thanks!
@@maxautouk So its just a 50/50 chance what you need? Any case i guess ill order both just to avoid opening it and having the wrong gasket at all
Yes, sadly that is the case but you can always find uses for sealant so worth having in any case
Have you got a link for the long tbar extension you use
I’m afraid I don’t, it’s just a 300mm 1/4 extension from Halfords and a facom 1/4 t handle
Can you show in a video where to find the crankshaft sensor?
He doesn’t own a k12. It’s a customers car.
In my current area I don't have access to a customer k12, sorry
Talhagalatasaray the crankshaft sensor is located near the catalytic converter where you can find the hose of the radiator and near the oxygen sensor...
I can replace valve seals with removing the head on cr12de engine
Hi thanks for the comment yes you'll need to pull the head to replace the valve stem seals
9:48 is that rail just above the valve cover the fuel injector rail?
Yes that is the injector rail :)
Do i have to remove the valve cover to remove the injectors?
I must admit without having the engine in front of me again I'm not 100% sure - I don't think so
Thx mate and do i need to remove the spark plugs to remove the valve cover?
The spark plugs are in the cylinder head so no :)
Hello. I checked in the internet you can buy rubber gasket to the cover, so why did you use sealant for it? thank you for answer
It comes with sealant from the factory on this particular model. Some micras have a rubber gasket, the one in this video didn't.
Thank you for your reply. Just would like to ask you. If my car does not have from factory rubber gasket can I install it apart sealant?
@@kooppis if it comes with a rubber style gasket I would use that when refitting, if it comes with sealant I would refit it with sealant. As far as I know all of the Cr12de engines have the valve cover fitted with sealant. There may be other variants I haven't worked on.
The first time I did this job I ordered the rubber gasket then I realised when I took it off there was now at the rubber gasket would fit so I used sealant instead after I cleaned off the old sealant.
Thanks for stopping by!
@@maxautouk Thank you very much for your help
@@maxautouk Do you know if there will be any difference between the CR12DE and the CG12DE ? I was just in my closeby car parts shop for a few bits and bobs and asked about the gasket - he said it's a rubber one with the 4 O rings included. I think I'll have to check it with the VIN to take what I need before pulling everything apart.