Fix Your MGB Heater Core — What You Need to Know (Tech Session)

This is Part 2 of our Central Ohio MG Owners (COMGO) Tech Session, where we walk through how to fix your MGB heater core with a full removal and replacement of the heater box. Rob takes you step-by-step through what’s involved in getting the heater box out, replacing the core, and getting everything back together properly so you can have heat when you need it. We also cover a helpful side discussion on what to use for sealing material on the heater box if you don’t have OEM gaskets on hand — a common situation for many MGB owners. If your car isn’t putting out heat, has a leaking core, or you’re just planning ahead, this is a job worth understanding before you dive in. 👉 Be sure to check out Part 1 of this tech session, where we covered repairing a Smiths/Jaeger combination temperature and oil pressure gauge. We had a great turnout for the session and, as always, kept everyone going with coffee, donuts, homemade cinnamon rolls, and plenty of good conversation throughout the morning. Thanks to everyone who came out — we always enjoy hosting the club at the shop. ** DISCLAIMER ** As an Amazon Associate, I earn commissions from qualifying purchases Valvoline VR1 20w50 5qt jug https://amzn.to/3XbgZlu 6qt case. https://amzn.to/4dLu77V Castrol GTX Classic 20w50 6 qt case. https://amzn.to/3AMgl6B 5 qt jug. https://amzn.to/3MqGEBZ Driven HR-1 20w50 6 qt case. https://amzn.to/4g5STRT 12 qt case. https://amzn.to/3Xp2g80 Cherry Bomb Hand Cleaner 48 oz bottle https://amzn.to/4dEdNa3 Denco Brake Cleaner https://amzn.to/4SbgZPT