1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 10-11-2006, 02:00 PM
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Default Coolent...

AM not sure if this is the right spot to post this...... But I went out and bought coolent because am gonna flush my system out and i forgot we needed dextrex or sumthing like that i bought "Peak" long life... its in a blue bottle and in the coner is says "for all makes & models" will this work or no? thanks
Old 10-11-2006, 02:01 PM
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I believe you want to replace the coolant with what you have now. What color coolant do you have now in your car?
Old 10-11-2006, 02:13 PM
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You should be good to go with that. Here, from the Peak website:

PEAK Long Life Antifreeze & Coolant features a long life coolant technology that is compatible for use in all automobiles and light duty trucks, regardless of make, model, year or original antifreeze color.
Link: http://www.peakantifreeze.com/peak_longlife.html
Old 10-11-2006, 02:13 PM
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Does it say "Dexcool" compatible? If so, you are good to go.
Old 10-11-2006, 02:17 PM
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From their F.A.Q.*

E. Is PEAK Global LifeTime Antifreeze & Coolant compatible with other brands of extended life antifreeze?

Yes, PEAK Global LifeTime Antifreeze’* unique and patented technology is fully compatible with and can be used to top-off other extended life coolants including General Motor’* DEX-COOL and the new Ford and Chrysler extended life coolants. However, to realize the guaranteed LifeTime of cooling system protection provided by PEAK Global LifeTime Antifreeze, a complete cooling system flush and fill is required
Old 10-11-2006, 02:42 PM
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You're fine. I use that in every car I work on. It'* basically the G05 coolant coolant that Ford and Chrysler uses. It is compatible with Dex, as well as the "old green stuff". As always, be certain to flush the system well.

Edit - Prestone also sells it.
Old 10-11-2006, 04:28 PM
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hey thanks for all the responses.. ill make sure i flush my coolent system out good.... i just bought a 180 themo too so that goin in the car sumtime this week... one last think my coolent overflow tank is look nasty dirty any suggestion on how to clean it out?
Old 10-12-2006, 10:17 AM
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Yeah, that'* been covered a few times here.

Take it out and use brake cleaner. Stuff an old rag inside and then spray a whole bunch of brake cleaner in there. Shake it a round to agitate with the rag and or use a stick to push the rag around and scrub the inside. Empty, dry. All Clean.
Old 10-12-2006, 10:51 AM
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Originally Posted by lash
Yeah, that'* been covered a few times here.

Take it out and use brake cleaner. Stuff an old rag inside and then spray a whole bunch of brake cleaner in there. Shake it a round to agitate with the rag and or use a stick to push the rag around and scrub the inside. Empty, dry. All Clean.
Simple Green has also been proven to work well instead of brake cleaner.
Old 10-12-2006, 10:54 AM
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Originally Posted by BillBoost37
Originally Posted by lash
Yeah, that'* been covered a few times here.

Take it out and use brake cleaner. Stuff an old rag inside and then spray a whole bunch of brake cleaner in there. Shake it a round to agitate with the rag and or use a stick to push the rag around and scrub the inside. Empty, dry. All Clean.
Simple Green has also been proven to work well instead of brake cleaner.
So, would that make it clean and green? :P


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