ac problem
Thread Starter
Instructor
Joined: Jul 2007
Posts: 112
Likes: 3
From: Pace fl
ac problem
i have a 86 with elec ac control head air comes out of all vent floor and defrost at the same time am going to tackle it tommorow i checked volts to the air mix door module according to the helms manuel i downloaded from agent 86 post after getting a error #01 in the system fault mode i got 4.85 volts at terminal b with the connector unhooked so i think its the control head but is there anything else i should check before replacing it ahy imput would be helpfull one more thing the only door that seems to move is the rear door behind the vents that blow out of the center it closes when i start the car when i shut it off and opens as sone as i kill the engine
Le Mans Master
Joined: Jan 2006
Posts: 5,620
Likes: 206
From: Orlando FL
Just a suggestion because not familiar with that year. But on the later 90 cars, there is a black vacuum check valve on the top right side of the engine under the plastic cover. It has 3 hoses to it and it usually cracks or falls apart from the heat. It controls the vents for proper position. 
