Air Cleaner Element Inspection; Charge Air Cooler Inspection; Air Bypass Valve Inspection - Mazda CX-7 2007 Workshop Manual

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AIR CLEANER ELEMENT INSPECTION[L3 WITH TC]
WM: AIR CLEANER
1. Remove the air cleaner element. (See 01-13-5 INTAKE AIR SYSTEM REMOVAL/INSTALLATION[L3 WITH
TC].)
2. Verify that the air cleaner element surface is free of dirt.
• If there is dirt, use an air gun or similar tool to clean the element.
• If the replacement time limit has passed, replace the element.
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CHARGE AIR COOLER INSPECTION[L3 WITH TC]
WM: CHARGE AIR COOLER
1. Remove the charge air cooler duct.
2. Remove the charge air cooler cover. (See01-13-5 INTAKE AIR SYSTEM REMOVAL/INSTALLATION[L3 WITH
TC].)
3. Remove the charge air cooler. (See01-13-5 INTAKE AIR SYSTEM REMOVAL/INSTALLATION[L3 WITH TC].)
4. Remove the air bypass valve. (See01-13-5 INTAKE AIR SYSTEM REMOVAL/INSTALLATION[L3 WITH TC].)
5. Plug ports A and B.
6. Verify that there is no air leakage when air is sent
from port C.
• If there is leakage, replace the charge air
cooler.
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WM: INTAKE-AIR SYSTEM
AIR BYPASS VALVE INSPECTION[L3 WITH TC]
1. Remove the charge air cooler duct.
2. Remove the air bypass valve. (See01-13-5 INTAKE AIR SYSTEM REMOVAL/INSTALLATION[L3 WITH TC].)
3. Connect the vacuum pump to the vacuum ports of
the air bypass valve.
Approx. value
INTAKE-AIR SYSTEM [L3 WITH TC]
VACUUM PORT
PORT B
VACUUM PUMP
VALVE OPERATION CHARACTERISTIC
7.5 {0.30}
ROD STROKE
VALVE
(mm {in})
OPEN
0.5 {0.02}
—P1
VACUUM
P1=49.3—65.3 kpa {370—489 mmHg, 15.0—19.2 inHg}
P2=86.1—115.3 kpa {646—864 mmHg, 25.5—34.0 inHg}
id011339800800
id011339800900
PORT A
PORT B
PORT C
acxuuw00000509
id011339800500
PORT A
ROD
acxuuw00000287
—P2
acxuuw00000286
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01-13