Vauxhall Astra oil pump
Variant: 1.7 cdti
Model Year: 2007
where is the oil pressure release switch located
Posted: Jun 17, 2015 (9 years ago)
Apparently there are 2 as far as I can make out , screwed into the block at rear . Just below the diesel pump . One a 19mm and the other a 13mm hex head One is pressure relief valve and other pressure regulation valve respectively .Could check there first .
Posted Jun 17, 2015 (9 years ago)
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