1995 GMC Sonoma oil cooling lines

1995 GMC SONOMA
276,000 MILES • 6 CYL • 2WD • AUTOMATIC
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BASIC1997
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  • 2 POSTS
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 2:24 AM
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BLUELIGHTNIN6
  • ✓Experienced Mechanic
  • 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 10:38 AM
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