Having problems with your 1997 Oldsmobile Achieva ?

Is there a bypass on the heater core - 1997 Oldsmobile Achieva

Posted / edited by AnonymousUser on : 23-09-2019

Answers :

Hello bijtj.
There are no bypass hoses on the heater core. Flow of coolant out of the engine and into the core and back to the engine is flowing at all times. The heat inside your car is adjusted by means of a door inside the heater box.
If your intent is to bypass the core because it is leaking you would need to pull the hoses off at the firewall and install a joiner.
Repair Help & Product Troubleshooting for 1997 Oldsmobile Achieva

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