Bosch K-Jetronic Fuel Distributor Rebuild // 1985 Porsche 924 Restoration Project // Part 17

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Welcome to Restoration Apprentice!
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In this episode I'm rebuilding my K- jetronic fuel distributor. It's a part of Bosch K-Jetronic Continuous Injection System (CIS) used on these cars. I got my kit from Missingparts.de. It comes with a detailed instructions and it's pretty straightforward. One of the things I find interesting is that it encourages you not to use any sealant at first as it didn't came with it from factory. I'll add the sealant if it end up leaking. Looks like somebody opened it up before me and managed to lose one of the small filters. I'll have that ordered.
In the next episode I'll restore the whole unit.. remove the rust, paint it, electroplate the bolts etc.
Thank you for watching!
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5 мар 2022

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Комментарии : 126

@RestorationApprentice Год назад

It has come to my attention that there shouldn't be a spring behind the plunger on these cars. So if your car doesn't have one, you're good.

@timmiller4130 Год назад

Thanks for the heads up. I'm getting ready to do this job. I've ordered a rebuild kit from a place called Sierra Madre Collection.

@Yurikureka Год назад

I just noticed this comment now. I searched for over an hour around my workbench for a spring that wasn't there in the first place! 🙂

@RestorationApprentice Год назад

@@Yurikurekalol I kinda had a similar situation... for some reason i thought mine fell out when I removed my distributor from the car and I couldn't find it, so I bought a new one(one you see in this video)

@Yurikureka Год назад

@@RestorationApprentice It's a great video with the clearest explanation I've found. I do have one question though, when the fuel distributor is being closed again, does it need to be tightened to a specific torque?

@RestorationApprentice Год назад

@@Yurikureka Kit instructions just states to snug them down by hand.

@andrewlisenby9693 8 месяцев назад

I'm really liking the disassembly and rebuilding without any speaking. Looking forward to watching your other episodes. Thanks for making these.

@RestorationApprentice 8 месяцев назад

Thank you for watching!

@TAXCOLLECTOR-mx3mg 11 месяцев назад

Nice to see another CIS fan. This takes patience. The fun is the high end in the cars.

@RestorationApprentice 11 месяцев назад

Thank you for watching!

@sunnysharpe8765 Год назад

Love your videos mate. I recently picked up a 79. Really enjoying the detail and dedication you have with your restorations. Keep them coming.

@RestorationApprentice Год назад

Thanks, will do!

@pascaljeske7307 2 года назад

A next great Job and nice Video about the nice Porsche auf jeden Fall weiter so 👍❤️👍

@RestorationApprentice 2 года назад

Thank you, my friend!

@David-uw4uj 2 года назад

Hope all is going well, looking forward to your next video!

@RestorationApprentice 2 года назад

All is good, thank you! I've just been super busy with work. I'll try to upload the video by the end of this week.

@aldosoldano2225 2 года назад

Excellet job....great to learn the steps to do the same in a BMW e28 518i. Thanks

@RestorationApprentice 2 года назад

Glad you liked it!

@jeffhammond8969 2 года назад

Nice job. Surprised that you didn't paint there housing while it was apart

@RestorationApprentice 2 года назад

Thank you! It will be done in the next episode, when I restore the whole unit, witrh the flow meter and filter box. I decided on just a rebulid in this one.

@mariogualdoni8889 2 года назад

Great video! Really helped me out with my 1985 vw cabby. Anyway you still have the link for where you got those really small filters that you got out with the screw?

@RestorationApprentice 2 года назад

Thank you for watching, glad to hear it! I still haven't bought them... I've seen them on one site from Australia but don't know it from the top of my head.

@TTjustTT 2 года назад

Outstanding as always but surprised no paint or sealant.

@RestorationApprentice 2 года назад

Thank you! I opted for just a rebuild in this video. In the next one I will be restoring it visually along with the whole unit with air flow meter and filter box.

@RestorationApprentice 2 года назад

Instructions say to try to assemble it without any sealant... Then if it leaks, to add it. It didn't come from factory with the sealant.

@EvatronX Год назад

oh weird. rebuilt mine for a 5 cylinder. i thought they couldnt come apart that much without damaging the plate in the middle. will take another look into it thanks!

@RestorationApprentice Год назад

Thanks! This kit comes with plate replacement.

@r3FMusic Год назад

Thanks..

@RestorationApprentice Год назад

Thank you for watching!

@donjohnson4368 Год назад

Good one mate, very clear, but you really sped it up around rebuilding the plunger, and does the plunger need to be set at certain height ( looks like it’s got adjustment )

@RestorationApprentice Год назад

Thank you! No, there are no adjustments on the plunger.

@donjohnson4368 Год назад

Great. Thanks for replying- I have a 300SL 1988- the fuel mixture is very rich, keeps fouling the plugs with soot, tried adjusting the mixture screw but no good. Could the fuel distributor need overhauling? The had been sitting for a couple of years - any thoughts please. Thanks

@tonyreyes9969 Год назад

@@donjohnson4368 my suggestion is firstly to check to make sure that the warm control pressure is correct after warm-up. If the control pressure is too low after warm-up the air/fuel mixture will be too rich the whole speed range and that can cause the spark plugs to be flooded with fuel.

@bikeman123 2 года назад

What problem were you trying to fix with the rebuild? Were there any obvious issues found during disassembly? Did the rebuild fix the problem?

@RestorationApprentice 2 года назад

Doing a full restoration so this is one of the many tasks I had to handle. A bit of crud and some very old seals.

@karinfrederking3809 2 года назад

What products are you using after the bath before reassembly? I can’t see the labels.

@RestorationApprentice 2 года назад

Just a brake cleaner, to clean it a bit more and a bit of fine machanical oil for the plubger.

@davidbaker8854 8 месяцев назад

Excellent video, can you let me know the oil you put on the plunger at 10.33 sorry if it's obvious thx.

@RestorationApprentice 8 месяцев назад

Instructions asked for "fine oil" which is very thin oil.

@jonprahst7381 4 месяца назад

What lube / grease product did you use to grease the middle plunger? thank you

@RestorationApprentice 4 месяца назад

Any kind of thin oil, like sawing machine oil.

@jtvanoverbeke7133 Год назад

I have a 1977 Porsche 924, I was wondering if the spring you pull out at 3:04 is needed with my model. I pulled mine apart and there was no spring, everything else seemed to match up and I have every other piece.

@RestorationApprentice Год назад

Probably not... not sure mine need it too. I was positive I lost mine so I bought new one... but maybe it wasn't there at all.

@jtvanoverbeke7133 Год назад

@@RestorationApprentice Thank you, I’ll put it back together with out it for now. If that doesn’t solve the problem where did you get the spring?

@IsraelSocial Год назад

Just one question! There is a lot of kits on the page! What specifiq i should buy in order to restore my porsche! Mine is the 1977 na 924 047 k-jetronic distribuitor

@RestorationApprentice Год назад

I'm not sure, you should write them an email, they are very responsive.

@IsraelSocial Год назад

@@RestorationApprentice thank you i will do! I have an unused core on my hgarage i could restore it! Already subscribed to your channel! Keep up with the videos! Cheers

@RestorationApprentice Год назад

@@IsraelSocial Thank you!

@ParksandRecYT Год назад

I'm doing this project on my 1985 Scirocco. Has your unit leaked with no sealant? I'm torn whether to use sealant or not.

@RestorationApprentice Год назад

Haven't tried it yet. I'll remove the unit and reseal it if it ends up leaking.

@ParksandRecYT Год назад

@@RestorationApprentice Thanks - I'll probably do the same. Good luck.

@lewismarcvs2039 Месяц назад

Great job, but after many hours working, using again those old filters......there are no spares?

@RestorationApprentice Месяц назад

Filters are metal, so they can be cleaned. I'm missing one so I'll buy spares anyway.

@screaminlead 2 года назад

I know you're not sponsored but which kit did you use? Salvox, cis-jetronic, or k-jet specialists?

@RestorationApprentice 2 года назад

I got it from Missingparts.de from Germany. I think they make it.

@screaminlead 2 года назад

@@RestorationApprentice Very cool to know there's another option out there.

@mercedeske 9 месяцев назад

Zdravo, druze. Imam problem sa filterima u razdelniku. Restauriram jedan Mercedes 450SL sa K-Jetronicom. Fale mi dva filtera za u gornju komoru. Jel znas dge mogu da ih nadjem? Pozdrav!

@RestorationApprentice 9 месяцев назад

Pozdrav drug! Nasao sam bio, pa cu potrazit na kompu, javim.

@mercedeske 9 месяцев назад

@@RestorationApprentice Hajde, molim te i hvala ti na brzom javljanju!

@RestorationApprentice 9 месяцев назад

@@mercedeske k-jet.biz/product/fuel-distributor-outlet-filters-4/ evo ih. Ima i pakovanje od 6 kom

@mercedeske 9 месяцев назад

@@RestorationApprenticeHvala puno. Ziv bio!

@Peters202 3 месяца назад

already tested it ? I am wondering if it leaks witout the sealant

@RestorationApprentice 3 месяца назад

Not yet. If you don't want to potentially pull it apart for the second time , just put the sealant. I see no harm in it.

@user-vg7ze5pb6p Месяц назад

перебираю сейчас такой на вольво 760 b28e/ видео очень пригодилось

@RestorationApprentice Месяц назад

Thanks!

@andrewmasters6637 2 года назад

Hi I've just watched your video of the k tronic fuel distributor, I own a 2.8 capri and the problem I have is the car is slow to start from cold but once running will eventually rev up but when you drive down the road you can put your foot to the floor and there's nothing no power is this the fuel distributor failing to push fuel to the injectors many thanks

@RestorationApprentice 2 года назад

Thank you for watching! Sorry, I'm not sure... I still don't know much about these distributors, I just followed instructions that came with the rebuild kit.

@bikeman123 2 года назад

Check your fuel pressure. Sounds like a failing fuel pump or a partial blockage. Dismantling the distributor is a LAST resort.

@andrewmasters6637 2 года назад

Thanks for the info I took the distributor off and drowned it with carb cleaner and left overnight it's back on the car but haven't tried starting her yet as I've stripped out the thermostat but I'll let you know 😁

@samjohnson5316 3 месяца назад

Did it seal ok without the sealant on the ,idle plate. I’ve just ordered the same rebuild kit for my 5 cylinder so I’m keen to know. Will be using this video for reference

@RestorationApprentice 3 месяца назад

I havn't tested it jet. I'm working on rebuilding the engine now.

@samjohnson5316 2 месяца назад

@@RestorationApprentice I’m gonna do mine when the kit comes. Got a ongoing issue that once the car has been driven for 20 minutes it goes all jerky and revs go all over the place. Tested fuel pressures had my WUR rebuilt. Only thing I’ve not done is the metering head

@Leo-zt4df 2 года назад

Can you give me the internet web site where you find the kit for the k-jtroinc

@RestorationApprentice 2 года назад

Sure, it's missingparts.de

@talm2891 Год назад

I know you posted this a year ago, so hopefully you remember. 😊 At 3:00 you pull a spring out of what looks like the barrel, but I never see you put it back in. Mine didn’t have a spring and I don’t see one in my Bosch Fuel Injection book.

@RestorationApprentice Год назад

I have it my pinned comment... Turns out there should not be a spring just a piston

@talm2891 Год назад

@@RestorationApprentice thanks! I see it now.

@georgegeorgiadis8104 11 месяцев назад

Can you provide a link for the repair kit please.

@RestorationApprentice 11 месяцев назад

Missingparts.de

@johnburrows7938 Год назад

Find it strange there wasn’t any new filters, those didn’t look that different to me. Any how, good vid

@RestorationApprentice Год назад

Not sure which filters you meant?

@bikeman123 Год назад

@@RestorationApprentice The filters in the lines to the injectors. You were missing one of them. You put them in at 14:36

@IsraelSocial 6 месяцев назад

Where did you buy the bolts?

@RestorationApprentice 6 месяцев назад

It all came with the kit.

@talm2891 Год назад

At 5:52 you removed the o ring from one half of the distributor, but both halves have the same king. Did you remove from the other side as well?

@RestorationApprentice Год назад

I can't remember now. I replaced every o ring that came with the kit.

@RestorationApprentice Год назад

Btw, did you manage to get your piston unstuck?

@talm2891 Год назад

@@RestorationApprentice I did, thanks for the mallet suggestion. Had to knock it all around and finally got it out. It was the whole cylindrical housing, not just the central portion. I tried matching the rings which came with the kit and couldn’t be sure if there were enough, so I didn’t take it out. I’ll look again to be sure. Thang again for all of your help.

@sergeilosev1416 9 месяцев назад

i ned help/ where i can find this new kit to passat B3 9A engine??

@RestorationApprentice 9 месяцев назад

I'm not sure... check distributor part number and google it, it's easier to find it that way

@sergeilosev1416 9 месяцев назад

👍@@RestorationApprentice

@fuzzygokoss Месяц назад

So ive been browsing hoping to find someone who applies sealant to the halves. I cant seem to keep mine from leaking. Im doing mine on a benz but you and i donit exactly the same way and i also get my kits from missing.parts.

@RestorationApprentice Месяц назад

Yeah, definitely put some sealant on it if it leaks.

@terryraymond7984 Год назад

Are those Distributors the same as the VW Rabbit CIS Fuel Distributors?

@RestorationApprentice Год назад

Very similar.

@LaPoYo Год назад

bonjour ! faut-il faire des réglages après le remontage ? merci :)

@RestorationApprentice Год назад

Thanks for watching! There is no adjustment from factory, but there is a mod you can do so it's adjustable.

@LaPoYo Год назад

@@RestorationApprentice so if I disassemble the part, no problem to reassemble it in principle? (by the way, I love your videos)

@RestorationApprentice Год назад

Thanks! Yeah, pretty simple.

@spsciroccomk2 Год назад

What type of oil did you use on the plunger?

@RestorationApprentice Год назад

It's called Feinöl in German, I guess it's like a fine oil for bike gears.

@spsciroccomk2 Год назад

@@RestorationApprentice is 3and1 oil ok?

@terryraymond7984 Год назад

I was told that you cant take those apart because they have a certain torque and they will leak afterwards.

@RestorationApprentice Год назад

From factory they don't come with any sealant... It's common practice to seal two halves with a thin film of sealant if taken apart. I tried to not use any, and once tested I can add it if necessary.

@chipchrisman5240 Год назад

Have you needed to add sealant?

@talm2891 Год назад

Actually, after some further research, it looks like my ‘79 does not have a spring.

@RestorationApprentice Год назад

Looks like none of them does.

@lordjuliano702 Год назад

without leakage at the large plate ???

@RestorationApprentice Год назад

We will see... Haven't tested it yet.

@lordjuliano702 Год назад

@@RestorationApprentice the best part of the trip is coming (Jim Morrison)

@terryraymond7984 Год назад

taking that completely apart is a big no no its gong to leak

@RestorationApprentice Год назад

Well, they do make rebuild kits so you can take it apart or send it to them for a rebuild. They advise to not use any sealant at first...if it leaks you can seal two surfaces with Loctite 518 or similar.

@evangelospavlidis1773 2 года назад

When is the next video??

@RestorationApprentice 2 года назад

Should be out early next week

@evangelospavlidis1773 2 года назад

@@RestorationApprentice ?

@moisessancho1365 2 года назад

@@RestorationApprentice hey! We are waiting the next episode.

@RestorationApprentice 2 года назад

@@moisessancho1365 I'm working on it, I promise! It's just been crazy busy few months for me, and I do this in my spare time. I'll try to have the new video out next week.

@RestorationApprentice 2 года назад

You can check out full restoration playlist here: ru-vid.com/group/PLcaaK0W2qjqy-Wk0MA90zfVDlhg013lVV