Heater core coolant drip persists - Saab 9-5 Bulletin Board - Saabnet.com
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Heater core coolant drip persists
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Posted by Itsasaab [Email] (more from Itsasaab) on Tue, 19 Jan 2021 08:15:29 Share Post by Email
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In a recent post (1-11-20) my '05 Linear wagon had coolant coming out the AC drains onto the driveway.
The suggestion was that the heater core and its o-rings would be the culprit and, sure enough, upon opening it up, the core looked like it had been leaking within the cavity and coolant had been leaking down behind the carpet.

Swapped it all out with a Nissens version (not nearly as sturdy as original by the way) and new o-rings.
Took some messing around but, great, done!

Problem is that the leak is continuing - maybe worse.
I can find no mention of anyone having such a problem persist after the core was replaced so I would appreciate any input at all.

Interestingly, the heater did take a long time to show any effect but seems slightly better now.

Thanks for any input.

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