Told you earlier this week my temp gauge ('81 diesel) is fluctuating between high and low.

The overflow tank was up to level so I did not expect anything wrong with the amount of coolant. Today I looked in the container under the lid and found it to be nearly empty. It put approx one litre in. Now the gauge does not fluctuate so strongly. I fear however more is (seriously) wrong.

For those expert on the diesel I have the following questions:

1. How come the overflow tank is full and tank under the lid empty? That's not normal is it?

2. When I started the enigine and looked in the tank under the lid, the coolant looked frothy. Is that normal or a symptom of a very bad problem inside the engine?

Hope you can help me on this.

Jan Willem Bri�r (mr),
High Rise Professional Services, The Netherlands.
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E-mail: jan@hrps.demon.nl -- Tel. +31 (318) 548857  -- fax +31 (318) 548101
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