Re: 405 Mi16/1989 temperature unit sending problems

Michael A Savage (msavage@juno.com)
Wed, 17 Sep 1997 00:39:12 EDT

>Actually, the thermostat housing on this engine has been updated as
>per the TSB.
How long ago was it updated? the gaskets will still leak after 2 years I
think....even with the updated housing (which I also had prior to my
problem)

>
>> I bought replacement pins and a new plug (the latter was
>unnecessary) from the dealer and that cured my problem.
>
>Are you talking about the thing that plugs into the temp-sending unit
>or the plug that is below the housing where the fluid leaks onto? I
>don't recall what that switch is called and how much it costs.
>
There are two temp sending plugs, But I think we're talking about the
same one. The plug that attaches to the temp sender (a female connector
if I remember, the temp sender being male) fills with coolant. If the
fans come on when you disconnect, then thats the plug I am talking about.
You need to replace the two female pins by prying them out of the plug,
detaching them from the wires,installing new pins, and inserting the pins
into the plug, which is then connected to the temp sensor.
On amy plug that you have to