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AQD40A Coolant loss

kessa222

New member
Hi - my AQD40 has just started

Hi - my AQD40 has just started blowing coolant out the expansion bottle. Have pressure tested the system and it seems OK. Any ideas on where to start???
 
Compression test.
A blown hea


Compression test.
A blown head gasket can inject compression gas into the water jacket.
 
Thanks mate! Will borrow a tet

Thanks mate! Will borrow a tetser and give it a try. Do you know if these volvo engines prone to head gasket failures?
 
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