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Injector is leaking diesel near the top of the injector.

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This is a HIGH PRESSURE system...go to your local MB dealer and have it diagnosed $40-50
Good Luck

Posted on Jun 15, 2009

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2 Answers

Minnie winnie


gas or diesel ? if its gas find shrader valve (tire valve looking thing) on injector fuel manafold top of engine tap key on/off several times depress center of valve with plastic point nothing metal (old ink pen?) look for fuel to briefly spray out a bit (shield eye's) no fuel ck fuel pump , filter and inertia switch ,yes fuel ck all the sensors the injectors are not firing
Diesel ? A 86 would be A IdI type so loosen fuel fitting(one turn) to top of # 4 injector (you can't reach others) Do not remove it (High pressure!!!) crank engine several times over look for fuel leak at fitting thats loose ,it might even start if injector pump was airlocked that happens alot from sitting ,if it does don't get your body near loose fitting(high pressure) too dangerous shut off key and tighten fitting then restart engine

Nov 06, 2013 | 1986 Ford F 350

1 Answer

VW Passat 2lt TDi. Diesel Reconed Eng .replaced Injectors but doesnt want to start


When you open up the diesel injector lines (take injectors out) you let air into the system and the diesel cannot make its way past it. You have to bleed the lines by opening the injector lines at the injector by a half turn. (Always be careful with diesel injector systems, it is under enough force to shoot a stream right into and under your skin causing nasty results) Cover the injectors with a towel and turn the car over until diesel is leaking out of each line. (Keep away from injectors while turning it over!) After diesel is seen coming from injector lines, retighten injector lines and try starting.

Sep 13, 2013 | Cars & Trucks

1 Answer

Overhauld diesel VW Jetta, replaced glo plugs and Injrctors,new Pistons etc ==no Start .


Did you bleed the system? When you open up the diesel injector lines (take injectors out) you let air into the system and the diesel cannot make its way past it. You have to bleed the lines by opening the injector lines at the injector by a half turn. (Always be careful with diesel injector systems, it is under enough force to shoot a stream right into and under your skin causing nasty results) Cover the injectors with a towel and turn the car over until diesel is leaking out of each line. (Keep away from injectors while turning it over!) After diesel is seen coming from injector lines, retighten injector lines and try starting.

Sep 13, 2013 | Cars & Trucks

1 Answer

Kubota M 5030 2.8 6 cyl. Diesel in oil sump. Why?


Diesel gets in the sump from an seal leaking in the fuel pump through to the drive gear and out into the sump. If it has an inline pump( one where the injector lines are in a row at the top of the pump) the fuel will be leaking past the plunger elements and into the pump sump which then drains back tot he engine sump. IF it is slight but consistent sometimes injectors will dribble when shut down and the fuel will by pass the piston rings into the sump. Talk with a diesel pump and injector repair specialist for any faults particular to the Kubota fuel system

Apr 03, 2013 | Cars & Trucks

2 Answers

My isuzu truck mixes diesel and engine oil. what is the cause?


the injector are along top of engine , the lines all run back to a pump usually attached to engine side, only unit with multiple metal tubes running out to engine top, removal of injectors requires some special tools. this requires good diesel knowledge and tools to repair either one.

Jun 09, 2012 | Isuzu Cars & Trucks

1 Answer

I have a F350 diesel non- tubo with a fuel leak in back at top. replaced o ring at back injector and replaced all hose clamps but still bad runing leak. What next?


This engine has fuel lines that run to each injector from the injector pump. On the older Fords they touch each other in places. This constant vibration from the engine has caused a pin hole in one of your fuel lines to the injector. You will need to find the bad line. Can be hard as some of these are buried and hard to see. The replacement line will need to be purchased from Ford as each fuel line has to be a certain length and they are all high pressure lines. I have seen this many times in the older Fords.

Apr 05, 2012 | Cars & Trucks

1 Answer

My 1985 diesel volkswagen golf is leaking fuel from the injector.


leak on top or in the middle on top, tight nut, if that doesnt help replace steel line to the pump. leak in the middle, take out and tighten the injector. good luck.

Jan 26, 2010 | 1985 Volkswagen Golf

1 Answer

Diesel Fuel leak of of large nut in backside of injector pump


do yourself a favor and take the truck to a fuel diesel injection shop the larger nut is just a cover but the smaller one is an adjustment if you remove either on you could damage the pump

Jun 01, 2009 | 1986 Dodge Ram 50

2 Answers

Diesel leak from under pump cover


YES THE CONNECTIONS ARE THE IN AND OUT HOSES ON THE PUMP.

Mar 13, 2009 | 1994 Mercedes-Benz C-Class

2 Answers

Diesel fuel fumes


could be the injector washers leaking or leak off pipes but you will have to remove the rocker cover trim for inspection

Nov 30, 2008 | 2005 Dodge Sprinter 3500 Standard Roof

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