Quote:
Originally Posted by Squiggle Dog
Ha! I was just thinking that I wouldn't mind replacing my thermostat housing with one from an early W116 300SD that doesn't have the thermo vacuum valve switch on it.
I'd say something like JB Weld would be your best bet, if you get it level and smooth. Baking soda and vinegar with a brass brush seems to work pretty well for cleaning corrosion. You can probably even soak it in oxalic acid (wood bleach) or oven cleaner.
If you Google MTC 3829 (Mercedes part number 6172002415), you'll find what may be a compatible new thermostat housing, and apparently without the hole for the thermo switch, but it lacks the hole for the auxiliary fan temperature switch, so you'd probably have to use part of your old housing, if it's even still good. It's pricey at about $90, though.
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Was recommend that I use Permatex PermaShield Gasket Dressing/Flange Sealant and good solid hose clamps. Hopefully that works. If it doesn't work i will have to buy a brand-new one from the dealer. The good thing is that the thermostat housing is still available from the dealer.
Will clean up the area using one of your recommended methods. Thanks.
Will be a while before I get my car back on the road.
The Master Cylinder had been leaking brake fluid inside the booster which damaged the diaphragm. Previous owner had someone use sealant between the MC and the brake booster.
I removed the booster over the weekend and will be getting it rebuilt by a recommended shop in Upland CA.