I have a question further to this regarding my '91 4.3l.
I'm wondering how much spring pressure their should be to keep the check balls in place. The springs seem very weak ... could this explain why the motor will not warm up beyond 105 degrees despite new thermostat?
I'm wondering how much spring pressure their should be to keep the check balls in place. The springs seem very weak ... could this explain why the motor will not warm up beyond 105 degrees despite new thermostat?