I had read the comment about the 1 5/8" fuel filler hose before starting this thread. I called 3 auto part stores and none of them carried that size.

The leak is coming from around the hose. What do you mean the thermostat housing being pitted inside would cause a leak? So it is possible I need a new thermostat housing?

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85 300D Turbo

Thermostat Housing "Could be" pitted where the hose is clamped to it.
I have taken the hoses off and there is a lot of corrosion under the hose. Not always, but a lot of the time.

PNP charges something like $7.50 for each 1/2 of the housing if you need one.
There is a 50% off sale coming up on the 15th.

A Hydraulic Hose shop probably would have the hose if you can`t find it.
They carry about any type of hose you can think of.


Charlie

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there were three HP ratings on the OM616...

1) Not much power
2) Even less power
3) Not nearly enough power!! 240D w/auto

Anyone that thinks a 240D is slow drives too fast.

80 240D Naturally Exasperated, 4-Spd 388k DD 150mph spedo 3:58 Diff

We are advised to NOT judge ALL Muslims by the actions of a few lunatics, but we are encouraged to judge ALL gun owners by the actions of a few lunatics. Funny how that works

When I replaced that little section a year ago, I got straight radiator hose from Napa. I guess it was their store brand and I bought a foot and used like 3 or 4 inches. It started weeping slightly after 3 months or so but that could have been from using the same old clamps.

I really don't have a good answer for you since I'd like to have better hose too. I need to replace my thermostat and don't want to use the Napa hose again but this is probably the best you can get from a chain store: NAPA AUTO PARTS

This is the silicone version which I should have purchased but wasn't aware of at the time. I hope this helps.

It seems like it has been mentioned before in the forum, that use of JB weld has been a satisfactory mode of repair for the pitting often found on the thermostat housing underneath this short hose.

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1961 190Db retired
1968 220D/8 325,000
1983 300D 164,150

I replaced this short hose a few years ago, got it from Phil. I have had a problem with it weeping not matter how tight I put the clamps or reposition them. the Thermostat Housing was clean.

My Indy says when he has this problem he uses the Permatex 2B Form A Gasket sealer between the hose and Thremostat Housing.




Charlie

__________________
there were three HP ratings on the OM616...

1) Not much power
2) Even less power
3) Not nearly enough power!! 240D w/auto

Anyone that thinks a 240D is slow drives too fast.

80 240D Naturally Exasperated, 4-Spd 388k DD 150mph spedo 3:58 Diff

We are advised to NOT judge ALL Muslims by the actions of a few lunatics, but we are encouraged to judge ALL gun owners by the actions of a few lunatics. Funny how that works