Heater core

At this link to the Ohio Public Library System

enter the generic library card number

123456789

select:

Public Library of Cincinnati and Hamilton County

scroll down and select:

Auto Repair and Reference Center

then you can select the year, make, model, engine, etc.. of your vehicle and access the full repair manuals, wire diagrams, service bulletins, specifications, etc as you need them

TONS of great repair info for LOTS of vehicles

your support was very helpful , i fixed it in about an hour or two. thanks