SsangYong: Engine Euro 4. Service manual — part 31
CHANGED BY
EFFECTIVE DATE
AFFECTED VIN
11
2820
PRE - HEATING SYSTEM
D27DTP/D27DT (EU4) SM - 2006.08
D27DTP/D27DT (EU4)
ENGINE
FUEL
I
N
T
AKE
EXHAUST
PRE-HEA
TING
LUB
COOLING
SWITCHABLE
ECU
DIAGNOSIS
6. REMOVAL AND INSTALLATION OF AQGS UNIT
2. Unscrew two mounting nuts and remove the AQGS unit.
3. Install in the reverse order of removal.
AQGS Unit
Removal and Installation
Ú
Ú
Ú
Ú
Ú Preceding Work: Disconnect the negative battery cable.
1. Disconnect the AQGS unit connector.
CHANGED BY
EFFECTIVE DATE
AFFECTED VIN
12
1412
PRE - HEATING SYSTEM
D27DTP/D27DT (EU4) SM - 2006.08
D27DTP/D27DT (EU4)
<NGK glow plug>
Insulator color: Red
Tip diameter:
φ 4.4 mm
Glow plug resistance: 350 m
Ω
1. OVERVIEW
The glow plug for the D27DTP (POWER UP) engine is different from the one for the D27DT engine in terms of the
temperature limit and the control steps. These two glow plugs are not compatible.
Also, there are two type of glow plugs for D27DT engine and they are not compatible either.
When replacing the glow plug, disconnect the connector, check the insulator color and install a new one with the
same insulator color.
The followings are the colors of insulators according to the engine specifications.
Glow Plugs by Engine Specifications
GLOW PLUG
<NGK Glow plug>
Insulator color: Yellow
Tip diameter:
φ 3.5 mm
Glow plug resistance:
1.4 W ± 0.3
Ω
<BERU Glow plug>
Insulator color: Green
Tip diameter:
φ 4 mm
Glow plug resistance:
680 mW ± 110 m
Ω
Yellow
Green
Insulator color
Red
Yellow
Green
D27DTP
D27DT
For D27DTP
(POWER UP)
engine
For D27DT
engine
Appearance
D27DTP
D27DT
D27DTP (POWER UP) Engine
D27DT Engine
CHANGED BY
EFFECTIVE DATE
AFFECTED VIN
13
1412
PRE - HEATING SYSTEM
D27DTP/D27DT (EU4) SM - 2006.08
D27DTP/D27DT (EU4)
ENGINE
FUEL
I
N
T
AKE
EXHAUST
PRE-HEA
TING
LUB
COOLING
SWITCHABLE
ECU
DIAGNOSIS
2. REMOVAL AND INSTALLATION OF GLOW PLUG
A. Clean the glow plug mounting area with carbon cleaner
and blow out the area with compressed air.
B. Check the color of the insulator.
Preparations for Replacing Glow Plug
Torque wrench, Air gun (small), Carbon
cleaner (Product name: IPO CHOKE &
CARBURATOR CLEANER, Model name:
PRO NO 5007, Manufacturer: Sunbo),
Engine oil, Glow plug wrench (special
service tool), Long nose pliers
Preparations for Replacing Glow Plug
Carbon
cleaner
Torque wrench (Max. 25 Nm)
Glow plug wrench - special service tool (10 mm)
Part No.: Y99220132B
The color mark on insulator surface may be invisible due to the carbon contamination. To check the
color easily, disconnect the connector and clean the glow plug mounting area with carbon cleaner.
Wait for a while and blow out the area with a compressed air.
Removal and Installation
Ú
Ú
Ú
Ú
Ú Preceding Work: Disconnect the negative battery cable.
1. Disconnect the glow plug cable with long nose pliers and clean the glow mounting area with the compressed air
(using air gun).
* The preceding work is as same as other removal instruction.
Disconnecting glow plug cable
Keep clean
CHANGED BY
EFFECTIVE DATE
AFFECTED VIN
14
1412
PRE - HEATING SYSTEM
D27DTP/D27DT (EU4) SM - 2006.08
D27DTP/D27DT (EU4)
2. Spray the carbon cleaner into the gap between glow plug and cylinder head and wait for 10 minutes. Remove the
dirt and foreign materials completely with the compressed air (using air gun).
3. To avoid damage, apply the engine oil into the gap
between glow plug and cylinder head and wait for 5
minutes.
4. Install the glow plug wrench and remove the glow plug
with torque wrench.
(tightening torque: 15 ± 3 Nm)
5. Thoroughly remove the foreign materials from the glow
plug hole. If needed, use the carbon cleaner or air
gun.
Glow plug wrench - special service tool (10 mm)
Part No.: Y99220132B
• At this moment, check the color mark on insulator surface and bring the same version of glow plug for
replacement.
NOTICE
• To prevent the preglow plug from breaking, care-
fully turn the wrench with the torque below 20 Nm.
• Never use the air impact tool or other tools.
PRECAUTIONS FOR TORQUE WRENCH
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