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#16
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Had a little time today to check air flow. Air is blowing out of vents inside car. Air is sucking in at grill under wipers on outside of car. Do they make a metering device to check how much freon you put in a system using a 30lb canister?
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#17
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The metering device would be a scale used during the charging process.
BTW, doesn't that car have a sight glass?
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2012 E350 2006 Callaway SC560 |
#18
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Fresh Air Door
Checked the Air door behind the glove box today. It does not close with temp wheel in min position. When I press the recirculate button it does not close either. I closed it and put a small block of wood against the frame to hold it. The outside temp is 72. At idle the air temp coming from the center vents is 62. I ran it at 2000 rpm's for 5 minutes and the air temp coming from the vents is 58. It looks as though there are 2 vacuum servos attached to the air door. This car does have a sight glass and at idle there is almost a constant flow of freon. It does have a gap in the flow sometimes. The flow is white looking. I am going to remove the blower on Sat and inspect the evap core. Thanks for all the help.
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#19
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There is no vacuum to the servos at the air door behind the glove box. All the other doors work. What should I check first? I will be ordering a freon scale and will remove the freon from the car and recharge. My specs say to use 2.2 lbs of R12 freon. If I use R134a should I charge 80% of 2.2 lbs?
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#20
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Yes, use 80% of the R12 spec when substituting R134a.
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08 W251 R350 97 W210 E320 91 W124 300E 86 W126 560SEL 85 W126 380SE Silver 85 W126 380SE Cranberry 79 W123 250 78 W123 280E 75 W114 280 |
#21
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Clogged a/c drain in'91 300E
Quote:
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