RDX L4-2.3L Turbo (2008)
Vacuum Cut Valve: Service and Repair
Non-return Valve A/B Inspection/Replacement
Special Tools Required
Vacuum pump/gauge, 0 - 30 in.Hg, Snap-on YA4000A or equivalent, commercially available
Inspection
1. Remove the non-return valve.
2. Connect the vacuum pump/gauge, 0 - 30 in.Hg, to the non-return valve as shown. Note the direction of the arrow on the valve.
3. Apply vacuum to the valve.
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If it holds vacuum, go to step 4.
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If it doesn't hold the vacuum, replace the nonreturn valve.
4. Connect the vacuum pump/gauge, 0 - 30 in.Hg, to the non-return valve as shown. Note the direction of the arrow on the valve.
5. Apply vacuum to the valve.
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If it holds vacuum, replace the non-return valve.
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If it doesn't hold the vacuum, the non-return valve is OK.
Non-Return Valve A Replacement
1. Remove the charge air cooler cover.
2. Disconnect the hoses, then remove non-return valve A.
