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[chrisgixer]

Source of leak appears to be a temp sensor fitting under top hose battery side.

There's an alloy washer and black goo to seal it in place.

Is this the same black goo for the cam covers? Or can I use cam cover black goo, as that's all I have currently?

[Andy B]

Source of leak appears to be a temp sensor fitting under top hose battery side.

There's an alloy washer and black goo to seal it in place.

Is this the same black goo for the cam covers? Or can I use cam cover black goo, as that's all I have currently?

I'd have thought the ally washer would have done all the sealing  How about winding PTFE tape around the sensor? 

[05omegav6]

Black goo definitely not required

Someone's been bodging

[05omegav6]

New sensor should cure, unless it's previously been over tightened... In which case you might be looking at a new rad

[chrisgixer]

Alloy washer seals to the plastic end cap on the rad.

Would need something softer than alloy, I would of thought.

[chrisgixer]

Further inspection of the black goo seal removed from the sensor reveals its perished externally. But still very compliant otherwise.

[chrisgixer]

Also have another ad here from the mv8 project.

Sensor fitment appears the same externally.

[Andy B]

Also have another ad here from the mv8 project.

.......

 

[chrisgixer]

Also have another ad here from the mv8 project.

.......

 

Given your the expert on typos Mr P, I'm sure you can work it out.

[Andy B]

Also have another ad here from the mv8 project.

.......

 

Given you're the expert on typos Mr P, I'm sure you can work it out.

I'm sure I will 

[05omegav6]

Might be a quick fix...

[chrisgixer]

Google images appears to show a sealant of some sort

4 pot though

http://www.partsbase.org/opel/omega-b-1994-2003-6--7-3-radiator-mounting-parts/

[Andy B]

Google images appears to show a sealant of some sort

4 pot though

http://www.partsbase.org/opel/omega-b-1994-2003-6--7-3-radiator-mounting-parts/

items 33 & 34  ......  both have zero in the quantity column 

The fittings on my rad don't have any further sealant on them 

[chrisgixer]

Descriptions don't appear related in any way, yet they are included.

[05omegav6]

34 is threadlock used on aircon fan motor to frame screws.
33 is possibly used to glue the upper rubber mounting blocks to the radiator fixings.