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#1
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W126 AC low pressure line: help!
On my vehicle ('88 420 SEL), apparently, previous owner retrofitted to 134a.
Which would be the low pressure line, so I know where to add refrigerant? I only see a thick line on top of left side of engine compartment, with a blue plastic covered valve. Is this the low pressure line, or is there one below it closer to the compressor? Thanks. |
#2
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Blue is LOW; RED is high. You are wise to have double checked, though. Sometimes the previous work will be "different". The thick hose where you describe is the low side. Gauges help a lot when dealing with the A/C (borrow, beg, try Autozone tool loan program).
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The Golden Rule 1984 300SD (bought new, sold it in 1988, bought it back 13 yrs. later) |
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