86 heating and cooling

4eyeGT5.0Ho

New Member

Dec 29, 2009

5

0

0

Sioux Falls SD

Dec 29, 2009

#1

• Dec 29, 2009

• #1

My 86 Mustang when summer will over heat some times and other times it will stay in the norm. now winter it will not heat up at all and i get no cabin heat. the heat gauge will only move up like 1mm if that. please help

 

ID89GT

10 Year Member

May 26, 2008

1,659

18

49

Spokane Valley, WA

Dec 29, 2009

#2

• Dec 29, 2009

• #2

Check your coolant level, may have air in the system.

 

S

SVTFreak

Member

Jan 11, 2006

106

6

18

Dec 29, 2009

#3

• Dec 29, 2009

• #3

Also, thermostat stuck open (yeah, you read that right) can cause overheating in summer and lack of heat up in winter.

 

4eyeGT5.0Ho

New Member

Dec 29, 2009

5

0

0

Sioux Falls SD

Jan 2, 2010

#4

• Jan 2, 2010

• #4

coolant i have. ill check the thermostat . could it be my heater core?

 

S

Stevebird

New Member

Jan 13, 2010

4

0

0

Orlando, FL

Jan 14, 2010

#5

• Jan 14, 2010

• #5

86GT5.0

I am having the same issue with my 86 - I changed the stat . NO HEAT! Not that I am complaining being in Orlando _ but Damn, I moved from Michigan to get away from the cold.. Anyone have any suggestions?