1995 GMC Sonoma oil cooling lines

1995 GMC SONOMA

276,000 MILES • 6 CYL • 2WD • AUTOMATIC

BASIC1997

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How much pressure is on the feed & return lines that go to the radiator?
Mine are leaking, and need to repair.
Can I use high pressure rubber hose?
Or do I need steel lines?
Do not want to spend a lot of money, because of the high mileage.
Thank You
Basic1997

Sep 5, 2010 at 9:24 AM

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BLUELIGHTNIN6

CAR REPAIR CONTRIBUTOR
16,542 POSTS

You will need to use high pressure cooler lines, 5/16", don't use rubber hoses/fuel lines/vacuum hoses etc... they won't hold up. Easily has over 50 psi especially when cold.

Sep 5, 2010 at 5:38 PM