2005 Vauxhall Astra oil

2005 VAUXHALL ASTRA
40,000 MILES • 4 CYL • 2WD • MANUAL
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WUKKIE1
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hi ive got an eco 1700 diesel engine, the book says to use GM-LL-A-025 FULLY SYNTHETIC 5W 30.WOULD IT HURT THE ENGINE TO USE SEMI SYTHETIC 10W 40 OIL Bill
Aug 18, 2010 at 11:30 AM
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