Runs Great, won't start? - Page 2 - PeachParts Mercedes-Benz Forum

piccolovic · #16 07-27-2011, 04:34 PM

Forgot to mention, usually the o-rings, gaskets need to be replaced on the manual primer pump by now, and if the drips are coming from that side of the engine, very good chance it's time to disassemble that and replace all rubber. While there . . . may as well replace the power steer hose with new, as if you ever have a leak there, you will have to do the entire disassembly all over again!!!

NickCox · #17 07-27-2011, 09:35 PM

Right now leaning toward the lift pump. I can't tell exactly where the leak is from. It just drips from the IP onto the front sub frame. Checked the fuel routing, hoses and clamps are dry

It looks like someone used a white type of form a gasket between the IP and lift pump. It is also moist in that area above, and wet on the bottom side.

What does sealing up the lift pump? An o-ring and gasket? As a temporary fix can black rtv be used in place of gasket?

Is there anywhere else this style of injector pump would leak from?

whunter · #18 07-28-2011, 11:52 AM

Quote:

Originally Posted by NickCox

Right now leaning toward the lift pump. I can't tell exactly where the leak is from. It just drips from the IP onto the front sub frame. Checked the fuel routing, hoses and clamps are dry

It looks like someone used a white type of form a gasket between the IP and lift pump. It is also moist in that area above, and wet on the bottom side.

What does sealing up the lift pump? An o-ring and gasket? As a temporary fix can black rtv be used in place of gasket?

Is there anywhere else this style of injector pump would leak from?

1985 190D 2.2 Mercedes

Look at the picture in this thread.

OM601, 602, 603 Lift pump Repair kit
OM601, 602, 603 Lift pump Repair kit

Primer Pump Assembly/Lift pump, diesel fuel
MB# 000 090 26 50

Fastlane: Primer Pump Assembly
http://catalog.peachparts.com/item.wws?sku=W0133-1603063

.

NickCox · #19 07-28-2011, 12:56 PM

Thanks whunter for all your responses. I will update my sig soon to include the 1975 240d. That is the car that currently is having the problems. Is the lift pump baciclly the same for the 75 240d, as the 85 190d? They look different.

whunter · #20 07-28-2011, 01:04 PM

Quote:

Originally Posted by NickCox

Thanks whunter for all your responses. I will update my sig soon to include the 1975 240d. That is the car that currently is having the problems. Is the lift pump baciclly the same for the 75 240d, as the 85 190d? They look different.

I need the VIN# of the 1975 240d to build a kit.

NickCox · #21 07-28-2011, 03:54 PM

11511710096770

whunter · #22 07-28-2011, 04:47 PM

Quote:

Originally Posted by NickCox

1975 240d
VIN# 11511710096770

ALL OF THESE ARE SPECIAL ORDER PARTS.

repair kit, valve
MB# 0015861207
Fastlane:
http://catalog.peachparts.com/item.wws?sku=0015861207

gasket
MB# 0000911780

primer pump
MB# 0000908850
Fastlane: Diesel Primer Pump. Note: This brand has a 16 mm threaded fitting, and comes with a 22 mm adapter. Can be used for models with either a 16 or 22 mm receptacle on the fuel pump.
http://catalog.peachparts.com/item.wws?sku=0000908850

The nose/shaft seal/O-rings have been discontinued = no longer available.

You might try using these kits.

http://www.harborfreight.com/catalogsearch/result?q=oring

Have a great day.

piccolovic · #23 07-29-2011, 09:54 AM

The white stuff is probably plain old plumbers' tape. Don't know how well it's rated for fuel, though . . . LOL. The exposure to the diesel might be breaking it down, so, I'd start by unscrewing where that is connected, cleaning it on both sides and screw it back together, . . . tight. That might be where your problem lies, although, if the lift kit is the manual pump (in case you have to prime it by hand when you run out of fuel), then, obviously, that will probably need to be rebuilt, with new rubber.

Don't forget to replace the power steering hydraulic hose underneath it while you have it apart. That hose is an example of putting something in and building the rest of the car around it!!!! Will be $200 labor to tear that all apart again, later on, when the hydraulic hose rots and cracks, which it is guaranteed to do over time. So . . . change it now, with new clamps while you have everything out of the way and easier access to it. Don't be cheap like my ex-husband on this one . . . ROFL!!!! (One reason we're not still married . . . ROFL (not cause he was cheap, cause he was an idiot and always did things the hard way!!!!))

Sloppyjoec · #24 10-07-2011, 01:37 PM

yea, my car is down again too. Going to check the valve clearences, Teh fuel is getting to the lift pump and i replced both filters. It's really madding the thing will run and start great, no sweat for a week and than one morning, nothing just cranks and cranks.

whunter · #25 10-07-2011, 03:12 PM

Quote:

Originally Posted by Sloppyjoec

yes, my car is down again too. Going to check the valve clearances, The fuel is getting to the lift pump and i replaced both filters. It's really madding the thing will run and start great, no sweat for a week and than one morning, nothing just cranks and cranks.

NickCox · #26 04-15-2012, 10:38 PM

A little late on a fix on the 75 240d

Removed the delivery valves off of the ip. Could of sworn that I read there wasn't o-rings on the delivery valves. There was on mine anyways. Old o-rings were brittle and hard. Replaced with o-rings with a generic o-ring kit. Next removed the lift pump and replaced the small o-ring in the housing. Car had no trouble starting for the 3 month I drove it before parking for winter. Now I need a new IP diaphragm...

piccolovic · #27 04-21-2012, 12:53 AM

If it sat for three months, did you try purging the fuel system and replacing the fuel???

NickCox · #28 04-23-2012, 02:18 AM

I haven't got it going from the winter storage yet... I didn't state that the car sat for 3 months and wouldn't start. I drove it 3 months until I parked it for winter.