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GeraldK

Canada
89 Posts

Posted - 09/13/2017 :  16:57:57  Show Profile  Reply with Quote
The offset one is your best bet for the lines on the injection pump and at the injectors.

Main fuel line in and out of the injection pump you should be able to use a regular box end wrench.

I ordered the Hazet socket online.

Gerald
1969 300 SEL 6.3 #0795
1959 190 SL
Calgary, AB
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joeuserus

Canada
35 Posts

Posted - 09/13/2017 :  17:23:45  Show Profile  Reply with Quote
Where did you order yours from and how much??

1970 300SEL 6.3
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GeraldK

Canada
89 Posts

Posted - 09/13/2017 :  18:18:18  Show Profile  Reply with Quote
https://mercedessource.com/store/fuel-injector-line-nut-special-wrench-615-616-617-diesels

I had picked one up from them. Appear to be out of stock at the moment. They must be available from other online retailers. I would assume you could also get it through your local dealer or the Classic Center.

Gerald
1969 300 SEL 6.3 #0795
1959 190 SL
Calgary, AB
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daantjie

Canada
909 Posts

Posted - 09/17/2017 :  14:02:34  Show Profile  Reply with Quote
Samstag sells a lot of specialty tools online.
Check them out. Not shy to charge though

Daniel
1977 450 SEL 6.9
Vancouver, BC
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joeuserus

Canada
35 Posts

Posted - 09/19/2017 :  19:15:28  Show Profile  Reply with Quote
quote:
Originally posted by daantjie

Samstag sells a lot of specialty tools online.
Check them out. Not shy to charge though

Daniel
1977 450 SEL 6.9
Vancouver, BC




Wow that site is expensive. Found something on ebay for $35ish with shipping but has to come from UK.


What's the deal with the filler valve on the air tank?? I thought it was a schrader valve?? Mine has a little rubber nipple on it and underneath that looks like the tool used to take off schrader valves. Is this a tool/cap combo?? I can't unscrew it by hand, tank is on the car.

1970 300SEL 6.3
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GeraldK

Canada
89 Posts

Posted - 09/19/2017 :  19:28:28  Show Profile  Reply with Quote
Are you looking at the correct valve? There's 2 on the air tank inside the fender. The valve at the bottom is a drain valve, you push up on the stem to drain the air/moisture. The fill/schraeder valve is about half way up the side of the tank. It's not easy to see or access with the wheel facing straight forward.

Gerald
1969 300 SEL 6.3 #0795
1959 190 SL
Calgary, AB

Edited by - GeraldK on 09/19/2017 19:29:22
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joeuserus

Canada
35 Posts

Posted - 09/19/2017 :  20:30:59  Show Profile  Reply with Quote
quote:
Originally posted by GeraldK

Are you looking at the correct valve? There's 2 on the air tank inside the fender. The valve at the bottom is a drain valve, you push up on the stem to drain the air/moisture. The fill/schraeder valve is about half way up the side of the tank. It's not easy to see or access with the wheel facing straight forward.

Gerald
1969 300 SEL 6.3 #0795
1959 190 SL
Calgary, AB




Ya that's the one I'm looking at. It's really tight getting my hand in there. It looks like this could be on it but can't see very well and also has rust proofing on it.

https://imgur.com/a/edO6h

1970 300SEL 6.3
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GeraldK

Canada
89 Posts

Posted - 09/19/2017 :  21:00:46  Show Profile  Reply with Quote
Possible it's just a cap for the valve. Have you tried unscrewing it? I believe new replacement valves will come with a pointy rubber cap.

Are you trying to raise the suspension via the valve? Access is definitely easier if you can remove the wheel but maybe not easy either if the car is sitting on the ground.

If you have a shaeder valve with the correct thread you can screw it in to the main valve under the hood and fill it directly from there.

Gerald
1969 300 SEL 6.3 #0795
1959 190 SL
Calgary, AB
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joeuserus

Canada
35 Posts

Posted - 09/19/2017 :  23:59:19  Show Profile  Reply with Quote
quote:
Originally posted by GeraldK

Possible it's just a cap for the valve. Have you tried unscrewing it? I believe new replacement valves will come with a pointy rubber cap.

Are you trying to raise the suspension via the valve? Access is definitely easier if you can remove the wheel but maybe not easy either if the car is sitting on the ground.

If you have a shaeder valve with the correct thread you can screw it in to the main valve under the hood and fill it directly from there.

Gerald
1969 300 SEL 6.3 #0795
1959 190 SL
Calgary, AB



Ya I'm trying to unscrew it by hand but it's tough with the car down. Was planning to try filling it from there.

1970 300SEL 6.3
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GeraldK

Canada
89 Posts

Posted - 09/20/2017 :  16:57:44  Show Profile  Reply with Quote
Do you have a local MB dealer where you live? The part number for the schrader valve is 112-320-06-58. I'm guessing its probably less than $20 CAD. It was about $10 USD from the Classic Center but with shipping and exchange rate it will probably cost more than getting it from the local dealer.

Getting a spare one and filling at the main valve under the hood makes the job easy.

Gerald
1969 300 SEL 6.3 #0795
1959 190 SL
Calgary, AB
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joeuserus

Canada
35 Posts

Posted - 09/21/2017 :  18:11:45  Show Profile  Reply with Quote
quote:
Originally posted by GeraldK

Do you have a local MB dealer where you live? The part number for the schrader valve is 112-320-06-58. I'm guessing its probably less than $20 CAD. It was about $10 USD from the Classic Center but with shipping and exchange rate it will probably cost more than getting it from the local dealer.

Getting a spare one and filling at the main valve under the hood makes the job easy.

Gerald
1969 300 SEL 6.3 #0795
1959 190 SL
Calgary, AB



Which one is the main valve?

1970 300SEL 6.3
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GeraldK

Canada
89 Posts

Posted - 09/21/2017 :  18:55:11  Show Profile  Reply with Quote
You will see it under the hood, near the power steering reservoir.

Iíve got about half of it showing in this picture. The red arrow points to the location where the valve can be placed to fill the system.

https://flic.kr/p/YJ9T3g




Gerald
1969 300 SEL 6.3 #0795
1959 190 SL
Calgary, AB
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joeuserus

Canada
35 Posts

Posted - 10/09/2017 :  13:49:44  Show Profile  Reply with Quote
quote:
Originally posted by GeraldK

You will see it under the hood, near the power steering reservoir.

Iíve got about half of it showing in this picture. The red arrow points to the location where the valve can be placed to fill the system.

https://flic.kr/p/YJ9T3g




Gerald
1969 300 SEL 6.3 #0795
1959 190 SL
Calgary, AB




If I fill it from there with a valve, I wont be able to reconnect the system without letting all the air out though??



Also how do you check/change the oil in the fuel injection pump??

1970 300SEL 6.3
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joeuserus

Canada
35 Posts

Posted - 10/09/2017 :  15:02:49  Show Profile  Reply with Quote
Also does the valve cover need to come off to take out the injectors?? I'm having a hard time getting the first injector out (front left), feels like I need to rotate it to pull out but the valve cover is blocking it.

Edit - Had to take off the valve cover. First 4 injectors are out, no fuel in them of the hard lines. Not good.


1970 300SEL 6.3

Edited by - joeuserus on 10/09/2017 19:26:57
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Art Love

Australia
6152 Posts

Posted - 10/09/2017 :  20:21:47  Show Profile  Reply with Quote
Changing the oil in the MFI has been covered repeatedly. Use the Search icon in both the 6.3 Forum and the Fuel etc Forum. Of course, that depends on the website functioning.
Art
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