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Author Topic: Coolant Parts Installation  (Read 2822 times)

ddodson1

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Coolant Parts Installation
« on: December 07, 2015, 02:34:23 »
Getting ready to reinstall water pump housing, water pump and thermostat housing on my '65 230SL..  I assume Permatex should be used on the water pump bolts.  Should anything be used on the gaskets or water pump housing to block bolts?

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ja17

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Re: Coolant Parts Installation
« Reply #1 on: December 07, 2015, 05:03:21 »
If everything is clean and flat you should have no problems with just a new gasket. I use some gasket shellac sometimes on imperfect surfaces just for insurance!
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Joe Alexander
Blacklick, Ohio
1969 Dark Olive 280SL
2002 ML55 AMG (tow vehicle)
2002 SLK32 AMG (350 hp)
1982 300TD Wagon turbo 4spd.
1963 404 Mercedes Unimog (Swedish Army)
1989 flu419 Mercedes Unimog (US Army)
1998 E430
1974 450SLC Rally
1965 220SE Finback

Benz Dr.

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  • Canada, ON, Port Lambton
  • Posts: 7220
  • Benz Dr.
Re: Coolant Parts Installation
« Reply #2 on: December 07, 2015, 15:28:22 »
 I use a wire wheel to clean up the threads and then we use a tap in the threaded holes. After that we use anti seize on the screws. A must around any coolant.
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1966 230SL 5 speed, LSD, header pipes, 300SE distributor, ported, polished and balanced, AKA  ''The Red Rocket ''
Dan Caron's SL Barn

1970  3.5 Coupe
1961  190SL
1985   300CD  Turbo Coupe
1981  300SD
2013  GMC  Sierra
1965  230SL
1967 250SL
1970 280SL
1988 560SEC

ddodson1

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Re: Coolant Parts Installation
« Reply #3 on: December 21, 2015, 18:59:36 »
Just finished the coolant system rebuild on my '65 230SL.  Also replaced the firewall pad and grommets to clean things up.  Here are some before and after pictures.

BTW...The cooling system flush instructions on this forum were perfect.  One thing I did to make it easier was slip a wet/dry vac hose over the top radiator hose and a garden hose (cut off at one end) to the heater outlet at the firewall to control the output (no mess!)  I also opened the drain on the block when I blew out the system with an air compressor.
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