1991 Oldsmobile Regency what type coolant is correct

Tiny
DAN BRASSELL
  • MEMBER
  • 1991 OLDSMOBILE REGENCY
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 118,000 MILES
Recently had a coolant exchange done on this vehicle, now vehicle has "roving" coolant leaks. Service center installed green coolant. What coolant leaks are most noted on a 91 Olds Regency with the 3800 motor? Thx in advance for your help.
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Friday, July 2nd, 2010 AT 3:35 PM

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Tiny
SATURNTECH9
  • MEMBER
It take's the green coolant they put the right stuff in. It's possible that coolant exchanger could have broke loose something floating around in the cooling system that was plugging a leak.I don't know all the most common point's of leakage on that engine. But what I suggest you do is rent a cooling system pressure tester they rent them at auto zone and pressure tester your cooling system and find all the leak's that way. Also pressure test your radiator cap you could be loosing coolant that way too. Read the pressure on the cap and pump it up to that pressure it should hold the pressure on the cap if it doesn't then replace the cap.
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Friday, July 2nd, 2010 AT 3:47 PM

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