Leaking Vacuum Pump
I am about to embark on a 8000 mile journey in my 190D.
I have been aware of an oil leak that until yesterday I thought was the oil pan gasket. It was minor enough (1 litre every 2 months or so...) that I wasn't in a rush to address it. Last week I had the engine shampooed so I could see exactly the source of the leak. My mechanic says it's coming from two sources- 1. The vacuum pump gasket (where its connected to the crankcase.) 2. Somewhere on the vacuum pump itself. He says if the diaphram goes, it will allow oil into my vacuum system. Sounds to me like disaster would ensue. According to him, there is no rebuild kit available. Cost of a new vacuum pump installed- $1000 Canadian. Is he just scaring me? Is this really an imminent disaster? I asked him about a used one, and he says that any used pump is probably about to go too. Does this mean all vacuum pumps are on the verge? I am looking at what it would take to install it myself, but can anyone shed any light? This leak has been present through 3 months of my ownership and 6000 miles. Opinions? Thanks. |
I'd bite the bullet and replace the pump.
Joe |
$1000.000???!!!!!!
I just looked on the Fastlane site and the pump is less than $250 USD. Seems like a grand installed is a bunch, even in Canadian dollars.
JCD |
Quote:
Mechanic had quoted me $500 (CAN$) for the part, plus 2.5 hours re and re. Actually, for the part I think he's low compared to list. Hummed and hawed, then said $1000 after taxes and shop supplies. $1.00 US=$1.55 Canadian. I've reviewed the Shop Manual instructions. Trickiest part appears to be making sure the lift curve of the drive flange is at BDC. Anyone done this procedure that can offer tips? Thanks |
Can't help you with your model
Mine is an old one.
Based on what I had to do rebuilding mine, 2.5 hours seems reasonable, but man..........the total cost still seems like a bunch. I'm sure you will get a response from someone on the site for help. These guys are the best. JCD |
vacuum diaphragm
This is just a little extra info-- and probably too late. I have a 79
300 TD, they have a vacuum pump on the front of the engine , and it has a pin that pushes the rubber diaphragm back and forth. I had oil getting into the lines to the air intake, etc. I bought a new (old stock) diaphragm from a private mechanic, and ignored the instructions about '" preload",, I just took out the old one and put in the new one, it took about 1 1/2 hours, and it works ok. lorenzo... |
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