Injector pump
09-17-2012, 10:48 AM
#1
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2002 C270 CDI + 2003 S320 CDI
Injector pump
Hi Guys,
My 2002 C270CDI's injector pump is leaking. It looks like it is leaking from where the pump goes into the engine (between engine and pump). I also get the 'El. Power Control' warning message and the engine won't start. May these problems be related? (I'm hoping that the EPC picked up a low rail pressure caused by the leaking injector pump.)
I also can't find info on how the internals of the pump works. I would like to know if diesel has now leaked into or mixed with the engine oil?
I ask this because from what I can see, the pump is leaking where the shaft goes into the engine. There is an o-ring on the outside of the shaft - I presume to stop engine oil from leaking out between the engine and pump. I noticed also that the pump does not have a gaskit where it is mounted onto the engine - is this normal?
The Merc leak kit only has seals for the 3 pistons and not the crank/shaft of the injector pump. Bosh service centre South Africa does not sell spare parts so I will have to have them recondition the pump for me. Has anyone recon'd a pump before? How difficult is it and where did you get the seals from (hydraulic shop might have the right o-rings???????).
Any advice on this would be appreciated.
My 2002 C270CDI's injector pump is leaking. It looks like it is leaking from where the pump goes into the engine (between engine and pump). I also get the 'El. Power Control' warning message and the engine won't start. May these problems be related? (I'm hoping that the EPC picked up a low rail pressure caused by the leaking injector pump.)
I also can't find info on how the internals of the pump works. I would like to know if diesel has now leaked into or mixed with the engine oil?
I ask this because from what I can see, the pump is leaking where the shaft goes into the engine. There is an o-ring on the outside of the shaft - I presume to stop engine oil from leaking out between the engine and pump. I noticed also that the pump does not have a gaskit where it is mounted onto the engine - is this normal?
The Merc leak kit only has seals for the 3 pistons and not the crank/shaft of the injector pump. Bosh service centre South Africa does not sell spare parts so I will have to have them recondition the pump for me. Has anyone recon'd a pump before? How difficult is it and where did you get the seals from (hydraulic shop might have the right o-rings???????).
Any advice on this would be appreciated.
09-18-2012, 09:48 AM
#2
Out Of Control!!
As you know the quickest and surest way to get the parts defined is use what ever free access you can get to the MB EPC.
PS: Bosch in Italy sells all sorts of rebuilt MB injector pumps!!
PS: Bosch in Italy sells all sorts of rebuilt MB injector pumps!!
09-18-2012, 04:40 PM
#3
MBWorld Fanatic!
Hi Guys,
My 2002 C270CDI's injector pump is leaking. It looks like it is leaking from where the pump goes into the engine (between engine and pump). I also get the 'El. Power Control' warning message and the engine won't start. May these problems be related? (I'm hoping that the EPC picked up a low rail pressure caused by the leaking injector pump.)
I also can't find info on how the internals of the pump works. I would like to know if diesel has now leaked into or mixed with the engine oil?
I ask this because from what I can see, the pump is leaking where the shaft goes into the engine. There is an o-ring on the outside of the shaft - I presume to stop engine oil from leaking out between the engine and pump. I noticed also that the pump does not have a gaskit where it is mounted onto the engine - is this normal?
The Merc leak kit only has seals for the 3 pistons and not the crank/shaft of the injector pump. Bosh service centre South Africa does not sell spare parts so I will have to have them recondition the pump for me. Has anyone recon'd a pump before? How difficult is it and where did you get the seals from (hydraulic shop might have the right o-rings???????).
Any advice on this would be appreciated.
My 2002 C270CDI's injector pump is leaking. It looks like it is leaking from where the pump goes into the engine (between engine and pump). I also get the 'El. Power Control' warning message and the engine won't start. May these problems be related? (I'm hoping that the EPC picked up a low rail pressure caused by the leaking injector pump.)
I also can't find info on how the internals of the pump works. I would like to know if diesel has now leaked into or mixed with the engine oil?
I ask this because from what I can see, the pump is leaking where the shaft goes into the engine. There is an o-ring on the outside of the shaft - I presume to stop engine oil from leaking out between the engine and pump. I noticed also that the pump does not have a gaskit where it is mounted onto the engine - is this normal?
The Merc leak kit only has seals for the 3 pistons and not the crank/shaft of the injector pump. Bosh service centre South Africa does not sell spare parts so I will have to have them recondition the pump for me. Has anyone recon'd a pump before? How difficult is it and where did you get the seals from (hydraulic shop might have the right o-rings???????).
Any advice on this would be appreciated.
If you keep a close eye on your oil level in your sump may also give to an indication whether there is fuel ingress. Best to measure when cold & always on the same level for accuracy.
Good luck.
09-22-2012, 05:22 AM
#4
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2002 C270 CDI + 2003 S320 CDI
Thanks for the replies guys.
I did not know about an electronic parts catalogue, so thanks for telling me about it.
Unfortunately I can't measure the oil qty, as my car does not have a dip stick. I'll give it a service soon enough and should be able to tell then.
The reason I wanted to know if anyone had done their injector pump themselves is because I would like to learn a little more about my car every time I need to fix something. Hence, I like doing it myself.
I took the pump in to be overhauled at a BOSCH service station a couple of days ago. The mechanic there told me that even he does not bother doing it himself. It invariably starts leaking a couple of days after putting it back on the car. He sends it off to have it overhauled and then tested on a test bench to check that it is producing the right pressure and there are no leaks. It cost me $360.
I should get it back today and will let you know if it was successful.
I did not know about an electronic parts catalogue, so thanks for telling me about it.
Unfortunately I can't measure the oil qty, as my car does not have a dip stick. I'll give it a service soon enough and should be able to tell then.
The reason I wanted to know if anyone had done their injector pump themselves is because I would like to learn a little more about my car every time I need to fix something. Hence, I like doing it myself.
I took the pump in to be overhauled at a BOSCH service station a couple of days ago. The mechanic there told me that even he does not bother doing it himself. It invariably starts leaking a couple of days after putting it back on the car. He sends it off to have it overhauled and then tested on a test bench to check that it is producing the right pressure and there are no leaks. It cost me $360.
I should get it back today and will let you know if it was successful.
09-22-2012, 07:16 AM
#5
Out Of Control!!
Great news----360 bucks that is a very good price even at the end of the world.
Regarding your engine lubricating oil----we all have "dip sticks" to measure the oil.
I think you are talking about the transmission, and there you are corect---there is no dip stick---you need a tool from e bay to check the transmission fluid. Good Luck!!
Regarding your engine lubricating oil----we all have "dip sticks" to measure the oil.
I think you are talking about the transmission, and there you are corect---there is no dip stick---you need a tool from e bay to check the transmission fluid. Good Luck!!
09-22-2012, 01:48 PM
#6
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2002 C270 CDI + 2003 S320 CDI
Hi Plutoe,
MB decided to go with the electronic oil measurement system with the C270CDI. Hence, no dip stick. If i'm not mistaken( i need to check my particular model), there is a pipe for it next to the transmission pipe and I'll need to buy a dip stick for that- similar to the tool you mentioned for the ATF. Nothing comes up on e-bay. MB do sell a generic dip stick but it is quite pricy. I'll change the oil, just in case.
MB decided to go with the electronic oil measurement system with the C270CDI. Hence, no dip stick. If i'm not mistaken( i need to check my particular model), there is a pipe for it next to the transmission pipe and I'll need to buy a dip stick for that- similar to the tool you mentioned for the ATF. Nothing comes up on e-bay. MB do sell a generic dip stick but it is quite pricy. I'll change the oil, just in case.
09-22-2012, 04:06 PM
#7
Out Of Control!!
Wada bummer, you are correct the 647.961 has the dip stick tube and plug, but no dipstick---------it's what you don't know that kills you!!!
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09-28-2012, 09:02 AM
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06 E320 CDI (GONE), 14 Jeep GC EcoDiesel, 01 Disco II (GONE), 09 BMW X3 3.0 Si Xdrive
Hi Guys,
My 2002 C270CDI's injector pump is leaking. It looks like it is leaking from where the pump goes into the engine (between engine and pump). I also get the 'El. Power Control' warning message and the engine won't start. May these problems be related? (I'm hoping that the EPC picked up a low rail pressure caused by the leaking injector pump.)
I also can't find info on how the internals of the pump works. I would like to know if diesel has now leaked into or mixed with the engine oil?
I ask this because from what I can see, the pump is leaking where the shaft goes into the engine. There is an o-ring on the outside of the shaft - I presume to stop engine oil from leaking out between the engine and pump. I noticed also that the pump does not have a gaskit where it is mounted onto the engine - is this normal?
The Merc leak kit only has seals for the 3 pistons and not the crank/shaft of the injector pump. Bosh service centre South Africa does not sell spare parts so I will have to have them recondition the pump for me. Has anyone recon'd a pump before? How difficult is it and where did you get the seals from (hydraulic shop might have the right o-rings???????).
Any advice on this would be appreciated.
My 2002 C270CDI's injector pump is leaking. It looks like it is leaking from where the pump goes into the engine (between engine and pump). I also get the 'El. Power Control' warning message and the engine won't start. May these problems be related? (I'm hoping that the EPC picked up a low rail pressure caused by the leaking injector pump.)
I also can't find info on how the internals of the pump works. I would like to know if diesel has now leaked into or mixed with the engine oil?
I ask this because from what I can see, the pump is leaking where the shaft goes into the engine. There is an o-ring on the outside of the shaft - I presume to stop engine oil from leaking out between the engine and pump. I noticed also that the pump does not have a gaskit where it is mounted onto the engine - is this normal?
The Merc leak kit only has seals for the 3 pistons and not the crank/shaft of the injector pump. Bosh service centre South Africa does not sell spare parts so I will have to have them recondition the pump for me. Has anyone recon'd a pump before? How difficult is it and where did you get the seals from (hydraulic shop might have the right o-rings???????).
Any advice on this would be appreciated.
