No fuel out the injector line at the injector when cracked and pumped - Page 2 - PeachParts Mercedes-Benz Forum

macdoe · #16 01-10-2010, 05:00 PM

I wonder what this is for...1979 300D no turbo

aaa · #17 01-10-2010, 05:19 PM

Looks like wiper relays.

macdoe · #18 01-10-2010, 06:14 PM

Hello, guys I find myself in a better mood today. Thanks for all the help. Last night I decided to resist at all costs the urge to unscrew and pump the manual lift pump since the consensus is it was pulling in air. I also used a different battery that seemed to turn the car over faster.

The #5 injector that I changed had ALOT of air in the line. I guess it was just a matter of turning it over enough times to get the air pushed out of that line. I find it strange that it would not fire on the other 4 cylinders as I left those lines alone? Must be something internal of the injection pump that won't work if there is too much air in one line. Oh well it is working now and the leak at the injector is fixed.
.

macdoe · #19 01-10-2010, 06:16 PM

AS for that block on the driver side fender well (pics)... if I pull the silver relay looking blocks out, the starter will not work. (I guess it is hard to tell they are silver colored cause they are dirty.)

compress ignite · #20 01-10-2010, 07:07 PM

The Hand Primer Pump has Failed Internally...
AND is allowing AIR into the Fuel System.
(Whether you screw around with it or not!)

You will ,Unfortunately, have to replace it with a New one,sooner rather than
later...It will only FURTHER degrade.

'Happy for you that you got the Engine restarted.

Stop.

Out.

macdoe · #21 01-11-2010, 03:41 AM

Yes, I agree a new primer pump for all 3 of them I think. I don't want a repeat of that scenario. Very frustrating. I guess it is just one of those things that you have to have the correct part for and no mcguyvering around. , thanks again for your advice.

I see there are two types to get...with the newer one being sealed so that no unscrewing anything but just pump it. and then of course the original. which is the better unit?
thanks again for your advice.

whunter · #22 01-11-2010, 06:29 AM

Quote:

Originally Posted by macdoe

Yes, I agree a new primer pump for all 3 of them I think. I don't want a repeat of that scenario. Very frustrating. I guess it is just one of those things that you have to have the correct part for and no Mcguyvering around. , thanks again for your advice.

I see there are two types to get...with the newer one being sealed so that no unscrewing anything but just pump it. and then of course the original. which is the better unit?
thanks again for your advice.

IMO: the black spring loaded piston type is better/more durable.

Diesel911 · #23 01-11-2010, 10:17 AM

I would buy only the Bosch made New Style Hand Primer as I have read at least 4 occasions when the Febi made ones had problems. And, Bosch claims they use a Viton as the seal material.
The link to the Bosch ad their web site is in this thread:
New Style Hand Primers use with Bio Diesel