Fig. 6: Removing Cooling Fans & Condenser
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
COOLING FANS
Removal & Installation
Remove headlight units. Remove upper frame crossmember, release hood release control cable and remove
crossmember. See Fig. 6
. Remove 2 cooling fans frame bolts on radiator. Disconnect cooling fan connector.
Release outside temperature sensor wiring harness. Pull up on cooling fan and remove. To install, reverse
removal procedure. Ensure cooling fan bottom guides are properly seated in lower mounts.
EVAPORATOR
Removal & Installation
Remove A/C housing unit. See A/C HOUSING UNIT . Remove expansion valve. See Fig. 5 . Discard "O"
rings. Disassemble A/C housing unit. Remove evaporator. Remove evaporator temperature sensor. To install,
reverse removal procedure. Use NEW "O" rings lubricated with refrigerant oil. If installing a new or repair
evaporator, add 1.35 ounces of NEW refrigerant oil to evaporator.
EXPANSION VALVE
Removal & Installation
1. Discharge A/C system, using approved refrigerant recovery/recycling equipment. Without disconnecting
coolant hoses, remove coolant expansion reservoir and set aside. Remove refrigerant line bracket and
loosen clamps. See Fig. 5
. Pull refrigerant lines out of expansion valve.
2. Remove expansion valve self-locking nut and discard. Remove expansion valve. Discard "O" rings. To
install, reverse removal procedure. Use NEW "O" rings lubricated with refrigerant oil. Tighten NEW self-
locking nut to specification. See TORQUE SPECIFICATIONS
.
INSTRUMENT PANEL & INSTRUMENT PANEL CARRIER
Removal & Installation
1. Secure vehicle against rolling. Set transmission selector to "D" position. Obtain radio security code.
Disconnect negative battery cable. Remove driver-side air bag.
2. Place match marks on steering wheel and steering shaft. Remove steering wheel, upper steering column
covers and combination switch. Remove instrument cluster cover frame. Remove one instrument panel
lower section bolt.
3. Remove screws in footwell from left side of instrument panel bottom section. Remove instrument panel
center section. Remove 4 A/C control panel screws and remove control panel. See Fig. 1
. Release pull
cables and disconnect connectors.
4. Remove screws from center section. Remove glove box. Remove screws in footwell from right side of
instrument panel bottom section. Remove entry courtesy lights. Remove end covers and screws.
5. Release 4 "A" clips between instrument panel bottom section and upper section. See Fig. 7
. Release
parkin
g brake release cable from handle. With assistance, remove instrument panel bottom section.
2001 Mercedes-Benz ML320
2000-01 MANUAL A/C-HEATER SYSTEMS ML 320, ML 430 & ML 55
me
Saturday, October 02, 2010 3:25:10 PMPage 21 © 2006 Mitchell Repair Information Company, LLC.
GF54.30-P-3003A
Indicator/warning messages triggered via CAN data buses, function
24.10.96
MODEL
129, 140 as of 1.6.96,
163, 168, 170,
202 as of 1.8.96,
208 up to 31.7.99,
210 as of 1.6.96 up to 30.6.99
Indicator and warning displays triggered via CAN
Low brake fluid level/parking brake indicator lamp (A1e7)
The parking brake signal comes from the traction system
control module.
The brake fluid signal comes directly from the switch (S11)
(except model 163).
Brake pad wear indicator lamp (A1e6)
The parking brake signal comes from the traction system
control module (N47)
Low engine oil level indicator lamp (A1e12)
The oil level signal comes from the injection system control
module (N3).
For vehicles with ASSYST, also refer to document: ASSYST
engine oil monitoring.
Preglow indicator lamp (A1e16)
The signal comes directly from the injection system control
module (N3).
Coolant level and temperature warning lamp (A1e11) model 168
only as of 9.99
The coolant temperature signal comes from the injection
system control module (N3)
-----------------------------------------------------------------------------------------
ABS MIL (A1e17)
The parking brake signal comes from the traction system
control module (N47).
"CHECK ENGINE" MIL (A1e26),
I
only
The signal comes from the injection system control module (N3)
ETS (A1e35) or ASR (A1e22) or ESP (A1e42) MIL
Lamp illuminated if there is a fault in the respective system.
The signal comes from the traction system control module
(N47).
ETS (A1e36) or ASR (A1e21) or ESP (A1e41) warning lamp
The lamp indicates that the respective system is active.
The signal comes from the traction system control module
(N47).
-----------------------------------------------------------------------------------------
Severe leak warning (
I
as of 97 only)
The fuel reserve indicator lamp (A1e4) flashes. The signal
comes from the injection system control module (N3).
The warning takes place at the earliest 30 minutes after cold
start with the engine idling and the vehicle stationary.
Also refer to document: Purge system with leak test, function
Fog lamps indicator lamp (A1e57), model 163 only except
I
)
The signal comes from the All-activity module (AAM, N10)
"LOW RANGE" indicator lamp (A1e53), model 163 only
The signal comes from the transfer case control module (N78)
Active service system (ASSYST)
Engines 112, 113, 611 (engines with oil
sensor)
GF00.20-P-2009A
Engine oil monitoring, function
Model 210 as of 01.03.97 with engine M111,
OM602, OM604, OM605 and OM606
As of 06.97 models 129, 140, 170, 202 except
engines 112, 113, 611
(Valid for engines with low oil level switch).
GF00.20-P-2009B
Displaying coolant temperature, function
Model 168 as of 9.99
GF54.30-P-3020GC
Purge system with leak test, function
GF47.30-P-3016L
Bus systems, overall function
GF54.00-P-0004A
Copyright DaimlerChrysler AG 04.06.2006 CD-Ausgabe G/10/04 . This WIS print-out will not be recorde
d by Modification services.
Page 1
AR54.65-P-0002GH
Remove/install Parktronic system (PTS) sensors in rear bumper
19.4.01
MODEL
163.113 /128 /154 /157 /174 /175 with CODE (220a) Parktronic System (PTS)
P54.65-2412-06
1
Plug connection
2
Parktronic system sensor
3
Retaining clamps
Remove/install
1
Remove rear bumper
with styling package, code U49.
AR88.20-P-2200GJ
As of 01.09.01.
AR88.20-P-2200GK
2
Put down bumper safely in a suitable place
Do not damage paintwork.
3
Disconnect connector (1) from Parktronic
system sensor(2)
4
Remove Parktronic system sensor (2) from
the bumper
Bo not brake off the retaining clamps (3).
Release tool
*168589023100
5
Install in the reverse order
Release tool
168 589 02 31 00
Copyright DaimlerChrysler AG 20.05.2006 CD-Ausgabe G/10/04 . This WIS print-out will not be recorde
d by Modification services.
Page 1
