Thanks Dan

Good to know. Won't have part for a few days so lots of time to think about it. Been wondering if I will wear out the hood latch cable since I open the hood so often.


On 27/08/2015 10:52 AM, Dan Penoff via Mercedes wrote:
You just have to be really careful about hooking the lever that projects out of 
it onto the internal injection pump linkage.  Do it wrong and the pump ends up 
at WOT.  Not a pleasant thing.

Once you insert the lever, pull back on the whole assembly gently to determine 
that it’s hooked.

At least this is what I recall about replacing them….


On Aug 27, 2015, at 11:46 AM, Randy Bennell via Mercedes 
<> wrote:

Finally had a look at my 115 300D to see why I have to open the hood and push 
on the stop lever all of the time.
Appears that the vacuum shutoff doodad on the end of the injection pump has 
died of old age.
Put the hand vacuum pump on it directly and it did not appear to work at all.
Ordered a new one last night. Darned things are expensive.
Someone on here posted about using a cable like a lawn mower throttle cable to 
pull down on the lever from the passenger compartment and I thought about that 
briefly but decided that the car is too good to start horsing around with stuff 
like that.
It has been good to me so far. In 10 years of ownership I have done little 
apart from change the oil. My recent change of the brake master cylinder is the 
only real expenditure on parts that I have had in a long while so I cannot 
complain too much. The car is essentially 40 years old.

I hope that swapping the units is not too much of a pain. A bit of a tight 
spot. May have to remove some  heater hoses etc to get better access to it. 
Want to change the coolant so that might be a good tiem to do that too.




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