Mazda Protege 5. Manual — part 129
MECHANICAL [FS]
01–10B–23
01–10B
No.3, No.4 Engine Mount Installation Note
1. Hand tighten the No.3 and No.4 engine mount
rubber bolts and nuts (A—M).
2. Tighten the No.4 engine mount rubber bolts and
nuts (A—H).
3. Tighten the No.3 engine mount rubber bolts and
nuts (I—N)
4. Measure the No.4 engine mount rubber
clearance.
•
If not within the specification, repeat from step
1.
Standard clearance
3.0—4.0 mm {0.12—0.15 in}
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MECHANICAL [FS]
01–10B–24
ENGINE DISASSEMBLY/ASSEMBLY [FS]
A3U011002000W03
1. Disconnect the engine and transaxle. (See 05–15B–4 MANUAL TRANSAXLE (MTX) REMOVAL/
INSTALLATION [G15M-R].) (See 05–17–31 AUTOMATIC TRANSAXLE (ATX) REMOVAL/INSTALLATION.)
2. Remove the intake-air system. (See 01–13B–6 INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [FS].)
3. Remove the exhaust system. (See 01–15–1 EXHAUST SYSTEM REMOVAL/INSTALLATION.)
4. Remove the oil filter. (See 01–11–3 OIL FILTER REPLACEMENT.)
5. Remove the thermostat. (See 01–12–5 THERMOSTAT REMOVAL/INSTALLATION.)
6. Remove the ignition coil.
7. Remove the generator.
8. Disassemble in the order indicated in the table.
9. Assemble in the reverse order of disassembly.
.
End Of Sie
X3U110WGK
1
P/S oil pump bracket
2
A/C compressor bracket
3
Water bypass pipe
4
Water outlet
5
Thermostat housing
6
Generator bracket
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MECHANICAL [FS]
01–10B–25
01–10B
ENGINE TUNE-UP [FS]
A3U011002000W04
Engine Tune-up Preparation
1. Warm up the engine to normal operating temperature.
2. Shift the transaxle into neutral.
3. Turn off all electrical loads.
•
Headlight switch
•
Fan switch
•
Rear window defroster switch
•
A/C switch
4. Verify that the steering wheel is at straight ahead position.
5. Connect the SSTs (WDS or equivalent) to the
DLC-2.
6. Access RPM PID.
7. Wait until the electrical fan stops.
Ignition Timing Inspection
1. Perform “Engine Tune-up Preparation”.
2. Verify that the RPM PID is within the specification.
•
If not as specified, adjust the idle speed. (See 01–10B–26 Idle Speed Adjustment.)
Specification
650—750 (700
±±±±
50) rpm
3. Connect the timing light to the high-tension lead of the No.1 cylinder.
4. Verify that the timing mark (yellow) on the crankshaft pulley is within the specification.
•
If not as specified, inspect following.
— CMP sensor
— CKP sensor
— TP sensor
— ECT sensor
— Neutral switch (MTX)
— Clutch switch (MTX)
— TR switch (ATX)
•
If the devices are normal, replace the PCM. (See 01–40B–7 PCM REMOVAL/INSTALLATION [FS].)
Ignition timing
BTDC 9
°°°°
—11
°°°°
(10
°±
°±
°±
°±
1
°°°°
) (TIMING MARK [YELLOW])
5. Connect the SST (System selector) to the DLC.
6. Set switch A to position 1.
7. Set the test switch to SELF TEST.
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MECHANICAL [FS]
01–10B–26
8. Verify that the timing mark (yellow) on the
crankshaft pulley is within the specification.
•
If not as specified, inspect the following.
— CMP sensor
— CKP sensor
— TP sensor
— ECT sensor
— Neutral switch (MTX)
— Clutch switch (MTX)
— TR switch (ATX)
•
If the devices are normal, replace the PCM.
(See 01–40B–7 PCM REMOVAL/
INSTALLATION [FS].)
Specification
BTDC 6
°°°°
—18
°°°°
Idle Speed Adjustment
1. Perform “Engine Tune-up Preparation”.
2. Verify that the RPM PID is within the specification.
•
If not as specified, adjust the idle speed by
turning the AAS.
Specification
650—750 (700
±±±±
50) rpm
Caution
••••
The TAS is set at the factory and must
not be adjusted. Any adjustment will
negatively effect the engine performance.
3. Connect the SST (System selector) to the DLC.
4. Set switch A to position 1.
5. Set the test switch to SELF TEST.
6. Press CLEAR to clear previously selected items.
7. Disconnect the SSTs.
Idle-up Speed Inspection
1. Perform “Engine Tune-up Preparation”.
2. Connect the SST (System selector) to the DLC.
3. Set switch A to position 1.
4. Set the test switch to SELF TEST.
5. Verify that the idle speed is normal. (See 01–10B–26 Idle Speed Adjustment.)
6. Verify that the RPM PID is within the specification.
•
If not as specified with all load conditions, inspect the IAC valve.
•
If not as specified with some load condition, inspect the related input switches, harnesses, and connectors.
Specification
*
1
: Excludes temporary idle speed drop just after the electrical loads (E/L) are turned on.
*
2
: Headlight is on, Fan switch is above 1st, Cooling fan is operating, Rear window defroster is on.
*
3
: Steering wheel is fully turned.
*
4
: A/C switch and fan switch are on.
Idle Mixture Inspection
1. Perform “Engine Tune-up Preparation”.
2. Verify that the idle speed and ignition timing are within the specification. (See 01–10B–25 Ignition Timing
Inspection.) (See 01–10B–26 Idle Speed Adjustment.)
3. Turn the test mode off.
4. Warm up the engine by holding the engine speed at 2,500—3,000 rpm for approx. 3 min.
5. Insert an exhaust gas analyzer to the tailpipe.
X3U110WGN
X3U110WGP
Load condition
Idle-up speed (rpm)*
1
E/L ON*
2
650—750
P/S operating*
3
700—800
A/C ON*
4
700—800
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