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Old 21st March 2024, 17:20   #16
SD1too
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Rover 75 2.5 Connoisseur Auto (1999) Dealer launch model.

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Before we get into the drama of head gasket failure, consider this:
Quote:
Originally Posted by Kroll View Post
... I’ve only been using the old girl to nip to the co-op and back ...
Quote:
Originally Posted by Kroll View Post
... only around a mile or so.
Tom; as Steve has said, that's barely enough for the engine to reach normal temperature which may well explain the small amount of mayonnaise under the oil filler cap.

In post no. 8 I recommended use of the instrument pack diagnostics to discover whether or not the engine is reaching a proper temperature during your very short drives to the Co-Op. Did you ever do that?
If not, can you do it now?

Simon
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