☰
Login
Join
×
Home
Answered Questions
Repair Topics
Repair & Service Guides
Popular Questions
Warning Lights
Trouble Codes
How It Works
Testing / Diagnostics
Symptoms
Videos
Login
Become a Member
Home
Toyota
T-100
Engine Cooling
Radiator
1989 TOYOTA T-100
210,000 MILES
ANONYMOUS
MEMBER
1 POST
FOLLOW
what causes antifreeze to pump back into resevoir from radiator?
Apr 3, 2013 at 11:59 AM
Advertisement
JACOBANDNICKOLAS
CERTIFIED EXPERT
110,175 POSTS
When trans fluid cools, it expands. That is what causes it to return to the coolant overflow.
Apr 3, 2013 at 12:01 PM