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Tips and Maintenance Post helpful tips, maintenance guides and R&R procedures here (for both Pontiac Grand Prix and Oldsmobile Intrigue) |
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01-04-2009, 09:52 PM | #1 | |
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How Do I Drain the Radiator Mystery and Cooling System Flush for '97 - '03 Grand Prix
The radiator drain plug/valve is located on the driver's side of the radiator towards the engine. To access it you will have to jack up the front driver's side of car, then remove the plastic splash guard and/or air deflector from underneath the car. Several 10mm bolts may secure the plastic. Once that is removed all you need is a tool like a 1/4" drive socket handle or ratchet. Insert end of tool into square cutout in plug and turn about 1/8" - 1/4" counterclockwise. Coolant will drain.
Note: The coolant may be hot so follow proper safety procedures, let engine cool down and when jacking car up be sure to use jackstands. The pics below show the tool I use, the drain plug and hopefully should be self explanatory. If not feel free to ask questions in this thread. Applicable to '97 - '03 Pontiac Grand Prix and '97 and up Buick Regal and Century 1/4" drive tool and drain plug removed from radiator for illustration purposes Coolant being drained Location of drain plug on removed radiator
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'08 Pontiac Grand Prix GXP (Dark Slate Metallic) - LS4 5.3L V8 '02 Oldsmobile Alero GL2 - LA1 3400 V6 '99 Buick Regal LS - L36 Series II 3800 V6 '03 Honda CR250R MX - 2 Stroke 250cc '97 Pontiac Grand Prix GTP - L67 Series II 3800 V6 Supercharged (Sold) Timeslip 08/12/06 AF Community Guidelines |
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01-04-2009, 10:54 PM | #2 | ||
AF Moderator
Thread starter
Join Date: Jan 2005
Location: El Paso, Texas
Posts: 18,017
Thanks: 30
Thanked 53 Times in 41 Posts
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Cooling System Flush
Here is a cooling system flush procedure using a Prestone brand flush kit.
Quote:
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'08 Pontiac Grand Prix GXP (Dark Slate Metallic) - LS4 5.3L V8 '02 Oldsmobile Alero GL2 - LA1 3400 V6 '99 Buick Regal LS - L36 Series II 3800 V6 '03 Honda CR250R MX - 2 Stroke 250cc '97 Pontiac Grand Prix GTP - L67 Series II 3800 V6 Supercharged (Sold) Timeslip 08/12/06 AF Community Guidelines |
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