no A/C

[acrbill]

I just picked up a 98 Expedition and realized that the A/C does not work.

I'm pretty sure the compressor is engaging, since the engine reacts when I put the switch to a/c.

Neither of the a/c lines under the hood gets cold.

I put the rear a/c on, and took off the access panel on the rear drivers side. The lines and block were ice cold.

That is what confounds me.

I did a search and found some mention of the blend door when the front a/c didnt work.

I cant see how that would effect the lines from getting cold.


Any insight would be greatly apprciated by me and the poor salesman I might just kill for selling me a car with broken a/c.


Thanks in advance!

 

[Chesterfoxes]

If the compressor is running and the lines aren't cold/sweating, no flow through the front system. TXV (thermal expansion valve) in the core might be stuck shut. This valve opens and closes according to the cooling load on the system.

Paul

 

[acrbill]

Turns out it was the compressor. I noticed that it was cycling on and off. I figured the system was low on freon and caused the compressor to act up. I'm glad the dealer techs are smater than me!

Glad I got it fixed...... Just in time for fall and winter!

 

[Rayexpo]

Better late than never