If I try and replace the water pump without draining the block?

I just discovered some coolant drips on my drive way about a month after I did my coolant flush (evil green was in there).

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-Typos courtesy of my mobile phone.

adam, this doesn't sound exciting, sorry I don't have an answer

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Matthew McIvor

2016 E350 4Matic Black/Black
2007 GL450 4Matic with Off-Road Pkg Silver/Black
1995 E300 Diesel White/Gray
1994 S600 Euro Black/ Black Velour
1986 560SL Blue/Blue/Gray
1986 190E Blue/Blue 93k

I'd suggest using the drain valve on the radiator to catch the coolant in a clean container. Then remove the wp. Don't know how much of the block that will get, but it would surely help.

-Jason

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1991 350SDL. 230,000 miles (new motor @ 150,000). Blown head gasket

Tesla Model 3. 205,000 miles. Been to 48 states!
Past: A fleet of VW TDIs.... including a V10,a Dieselgate Passat, and 2 ECOdiesels.
2014 Cadillac ELR
2013 Fiat 500E.

Well, I was trying to avoid draining the block simply because I just did a coolant change. If I let it drain out it will gather all sorts of gunk and oil along the way.


Should have replaced the pump when I had the whole thing drained

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-Typos courtesy of my mobile phone.

Drain it into a bucket.
Probably You will loose 1/4 (guess) .
You will loose a lot more if the WP seal lets go.
If its facing down hill when you drain, more will be recovered.
Its easy to decant any gunk out of it.
Are yo sure its your WP ?

Good Luck !!

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Grumpy Old Diesel Owners Club group

I no longer question authority, I annoy authority. More effect, less effort....

1967 230-6 auto parts car. rust bucket.
1980 300D now parts car 800k miles
1984 300D 500k miles
1987 250td 160k miles English import
2001 jeep turbo diesel 130k miles
1998 jeep tdi ~ followed me home. Needs a turbo.
1968 Ford F750 truck. 6-354 diesel conversion.
Other toys ~J.D.,Cat & GM ~ mainly earth moving

you will lose all the coolant that sits above that point.

no, you will not get it in fast enough.... i think I tried ;{

so everything in the head, the bottle, 1/2 the radiator, 1/2 the block etc...


pull the small hose from the bottom of the radiator and save the coolant in jugs.