Water pump gasket sealer?

Technical advice Q&A

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Zei220
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Location: Sandbach, Cheshire
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#1 Water pump gasket sealer?

Post by Zei220 » Tue May 20, 2025 8:43 am

Long story short... My water pump failed while on tour in Spain. What is the recommended gasket sealer these days? Is Hylomar Blue still the recommended solution or is there something better?

Thanks in advance.
dave
S2 4.2 FHC
Ford F100 pickup
JAGUAR S-type
BMW R1300RS
"You only live once, but if you do it right, once is enough..."

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Gfhug
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#2 Re: Water pump gasket sealer?

Post by Gfhug » Thu May 22, 2025 7:25 pm

Dave, if Hylomar the aerograde PL32 is the better product, Wellseal also gets good reviews. The latter is what I used when changing the water pump, though have always used the PL32 before on the car. Hope that helps

Regards

Geoff
S2 FHC Light Blue
S2 OTS LHD - RHD full restoration

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flatfloor 3.8
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#3 Re: Water pump gasket sealer?

Post by flatfloor 3.8 » Fri May 23, 2025 6:40 am

Wellseal every time, far superior product. Clean metal surfaces with brake cleaner then apply a thin coat to all 4 surfaces and leave for 15-30 mins before assembly.
Last edited by flatfloor 3.8 on Fri May 23, 2025 3:43 pm, edited 2 times in total.
Bill S1 3.8 OTS.

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Simonpfhc
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#4 Re: Water pump gasket sealer?

Post by Simonpfhc » Fri May 23, 2025 6:43 am

+1 for Wellseal.
Simon
62 3.8 FHC
91 Porsche 928GT
Find me on Instagram and Facebook @oldcarfixer

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Topic author
Zei220
Posts: 145
Joined: Thu Mar 27, 2014 2:55 pm
Location: Sandbach, Cheshire
Great Britain

#5 Re: Water pump gasket sealer?

Post by Zei220 » Fri May 23, 2025 8:50 am

Thank you guys, Wellseal appears to be the way to go.
S2 4.2 FHC
Ford F100 pickup
JAGUAR S-type
BMW R1300RS
"You only live once, but if you do it right, once is enough..."

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