Hope this is the right Section....
On my new to me 02, The ac works great and blows COLD when you are moving at decent speeds. When you slow down, stop, or are riding slowly through town it gets almost warm. But when you get moving again it goes right back to cold..
Any ideas?? Thanks.
yeah, a couple..
being as it appears to be airflow related, I'd be checking three things..
1. Charge level. How is the clutch cycling time? 20 seconds or so "on" time?
2. Could be moisture contaminated. This most commonly happens when they get low, and someone charges it with Wal-Mart hand grenades. Needs to be put in deep vacuum for at least 45 minutes (or change the accumulator and vacuum it for at least 15 minutes).
3. Fan clutch. If it's not engaging properly and drawing air across the stack, you'll get poor cooling..
If I knew what the pressures were at idle, and at 1700 or so rpm, I could give you a better idea.
If the compressor dwell time is like 20 seconds, and hosing the condenser down with a garden hose on mist cools it right off, you're looking at either solution #2 or #3.
In the mean time, I'd backflush the stack with a hose, and make sure there's no crud, mice, dirt, trash, etc. impeding flow through the stack..