I am still having problems with my wagon. I guess everything decided to all go at once.
But I have three questions:

1. The power locks are not working for some reason, I thought it might be the pump, but the back hatch still closes correctly? The fuses in the fuse box are fine. Are there two separate pumps for the locks and rear hatch then?

2. When your radiator fails is it possible that the fluids in it can mix? I have stuff in my overflow that does NOT look like oil. And my power steering fluid reservoir was almost completely empty after I topped it off not too long ago.

3. Does anyone know the part number for the hose that connects the radiator to the top of the water pump? Mine sprung a leak yesterday.

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1991 Mercedes 300TE (Current Girlfriend )
1994 Mazda Miata

The hatch is pulled down mechanically, not by the locking pump.

__________________

Gone to the dark side

- Jeff

Well then where should I go next to diagnose the problem with my locking system?

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1991 Mercedes 300TE (Current Girlfriend )
1994 Mazda Miata

If the pump runs, but the locks don't move, you need to start at the locking pump with a mity-vac (or equivalent) to see if you can lock them with vacuum, if not then it's on to the individual door elements (start with the fuel-filler lid, easiest one to access) and see which one is leaking. Usually, the lines don't leak, but they too are a possibility especially if they've been damaged where they go into the doors/hatch.

If you can lock them with the mityvac, then it's likely the pump. If the pump doesn't run, then it's possibly a door switch (try each door and hatch lock), the pump, or wiring/fuse.

__________________

Gone to the dark side

- Jeff