10 minutes no water pump; Engine Damage

[Carrameow]

1983 240D---Heard a noise from under my hood. Steering got stiff and battery light came on--belt broke but didnt see temp gauge shoot too max nor think of it because too tired. Engine ran at max temp for 10-13 minutes at 70mph before I encountered Highway rest stop and shut down.
Did I cause damage to engine? Cylinder Head gasket? Or valve stems seals? where should I look?

Carrameow,

Been there, done that. I don't remember how far I went after the belt broke, but I pulled into an Auto Parts Store in Hope, Arkansas. I got a belt, put it on in front of the store and got out of town as fast as I could. I was afraid that spending too much time in Bill Clinton's birthplace might cause me to get a disease that pennicilin couldn't cure.

I would have to go back and look in my logbook, but if I remember correctly my engine went about another 150K before breaking.

Good Luck,

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Larry Bible
'84 Euro 240D, 516K miles
'88 300E 5 Speed
Over 800,000 miles in
Mercedes automobiles

[Rob Pruijt]

If your engine was overheated you would probably have noticed it, if the coolant is boiling it will steam. As long as you don't loose coolant the head gasket will hold. The main reason for failure is loss of coolant.

[Benzmac]

The older diesels were a bit stronger when it came to this...I'd install the new pump and drive it.

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Benzmac:
1981 280GE SWB
1987 16V
ASE CERTIFIED MASTER AUTO TECHNICIAN
SERVICE MANAGER FOR 14 BAY FACILITY
MERCEDES SPECIALIST 8 YRS
PARTNER IN MERCEDESSHOP.COM