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VW MKV-A5 Golf/Jettas Discussions area for A5/MkV Jetta/Golf (2005/2006 PD and 2009 CR).

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Old May 14th, 2018, 10:38   #1
foliva
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Join Date: May 2014
Location: Mexico
Fuel Economy: 6.1 lt/100 km; 40 mpg
Question Tandem Pump Leak?

Hi, 2007 Jetta TDI 1.9 PD here.
Is my tandem pump leaking? Should I just tigthten the allen bolts attaching it to the engine?
So I was looking at my engine and noticed some grime/soot buildup underneath the pump.

On further inspection, this is what I found.

Zooming in...

Another angle...

Thank you for your input!
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Old May 14th, 2018, 16:05   #2
jonferns
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Seems to definitely be leaking from the tandem pump gasket, that is available from IDparts. It may also be leaking from the connector to the injectors (in your last photo). May be worth looking into.


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Old May 14th, 2018, 20:21   #3
foliva
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Many thanks... I'm going to go ahead and replace the gasket. Will report back with results.
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Old May 18th, 2018, 09:33   #4
Matt Carlson
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Quote:
Originally Posted by jonferns View Post
Seems to definitely be leaking from the tandem pump gasket, that is available from IDparts. It may also be leaking from the connector to the injectors (in your last photo). May be worth looking into.


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Is there a seal where the harness goes into?
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Old May 20th, 2018, 10:21   #5
foliva
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Quote:
Originally Posted by foliva View Post
Many thanks... I'm going to go ahead and replace the gasket. Will report back with results.


So I replaced the gasket day before yesterday; bought it at the dealership for equivalent to USD 6 (I am in Mexico). Nowhere as messy as I thought it would be from reading other posts. Fairly straightforward tasks.

Took me a couple of attempts to turn on the engine afterwards; engine turned on just fine.

Been driving the car for two days. Been a bit worried leaks may show up again. Time will tell.
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Old June 1st, 2018, 08:18   #6
PhunkFX
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So I have a bad leak out of the my tandem pump gasket. I'm going to create a post to try to gather some help and advice.
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Last edited by PhunkFX; June 1st, 2018 at 08:31.
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Old June 1st, 2018, 08:23   #7
1854sailor
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This is a family website. Nothing illicit is allowed here...
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Old June 1st, 2018, 08:31   #8
PhunkFX
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This is a family website. Nothing illicit is allowed here...
hahaha, ok i changed it. better?
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