20-4200 Removing and installing radiator
Preceding work: Warning instructions when hood open (01-0085). Coolant drained at radiator (20-0100). Bottom engine compartment panel removed (Maintenance Manual Volume 2, Op. no. 6190) | Operation no. of operation texts and work units or standard texts and flat rates 20-3865 - 20-4535 |
A. Models 107, 124, 126
Coolant hoses (171, 182, 191, 197) | detach, attach (step 1). |
Connection for overflow hose | check, renew if necessary (step 2). |
Air scoop (339a) on Model 124 | remove, install (step 3). |
Fan cowl (198) | detach, attach (step 4). |
Radiator cover (193) on Model 124 | detach, attach (step 5). |
If automatic transmission fitted: Oil lines (629, 630) |
detach, attach, 20 Nm. Check oil level. (step 5). |
Radiator (187) | remove, install (step 6). |
Installation | in the reverse order. |
Cooling system | check for leaks (20-0170). |
Special tools
000 589 40 37 00
124 589 15 21 00
Commercially available tool
7 mm socket wrench insert on flexible shaft for hose clip with worm drive | eg. Hazet |
Removal, installation
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1 Detach coolant hoses (191, 197) at the coolant pump and coolant hose (171) at the radiator.
2 Check connection for overflow hose for signs of damage and leaks; replace if necessary (20-4270).
Model 124
3 Remove screw (338). Detach air scoop (339a) from air filter in direction of arrow and remove.
4 Withdraw flat springs (628) upward and raise the fan cowl (198) slightly and place over the fan.
Installation instruction
Introduce catches on the fan cowl into the mount on the radiator.
Shown on model 124
Model 126.025
Withdraw locking pin (1) and turn the fan cowl ring (2) to the left and place over the fan. Withdraw flat springs upward and take out the fan shroud (3).
Model 124
5 Remove screws (338) for radiator cover.
Note
If car fitted with automatic transmission: unscrew oil lines at the radiator.
Check oil level.
Tightening torque 20 Nm (reference value).
Models 124, 126
6 Withdraw flat springs (173) upward and lift the radiator (187) up out of the rubber grommets of the cross bar.
Model 107
Press left and right spring clamps (arrow) outward and lift the radiator up out of the rubber grommets of the cross bar.
Installation instruction
The mounting studs on the bottom of the radiator must be inserted into the rubber grommets of the cross bar or bracket.
Installation is performed in the reverse order.
7 Test cooling system for leaks (20-0170).
Preceding work: Hood raised to vertical position (01-0080). Coolant drained at radiator (20-0100). Bottom engine compartment panel removed (Maintenance Manual Volume 2, Op. no. 6190). |
B. Models 129, 201
If automatic transmission fitted: | unscrew oil lines at radiator, screw on, 20 Nm, (step 1). |
Coolant hoses | detach, attach (step 2). |
Air scoop (air filter) | remove, install (step 3). |
Fan cowl ring (6) | detach, attach (step 4). |
If air conditioning fitted: strut (1) and |
unscrew, screw on (step 5). |
If air conditioning fitted: bracket for air |
unscrew, screw on (step 6). |
Front bumper on Model 201 | remove, fit on (88-200) (step 7). |
If air conditioning fitted: condenser (3) | unscrew from radiator (4), screw on (step 7). |
If air conditioning fitted: condensor (3) of |
raise, insert (step 8). |
Radiator (4) with fan shroud (5) | remove, install (step 9). |
Fan cowl (5) | take off radiator (5), fit on (step 10). |
Installation | in the reverse order. |
If automatic transmission fitted | check oil level. |
Cooling system | test for leaks (20-0170). |
Commercially available tool
7 mm socket wrench insert on flexible shaft for hose clip with worm drive | eg. Hazet |
Removal, installation
-------------------------------
1 If automatic transmission fitted: unscrew oil lines at radiator.
Installation instruction
Tightening torque 20 Nm.
2 Detach coolant hoses at radiator and at the coolant pump.
3 Detach air scoop from air filter.
4 Remove fan cowl ring (2) by withdrawing locking pin (1) and turning the fan cowl ring (2) to the left. Place fan cowl ring on the fan.
Installation instruction
Ensure the four engaging points are correctly located.
5 Unscrew strut, unscrew cross support and place to the side with engine hood cable connected.
Model 129
6 If air conditioning fitted: unscrew bracket for air conditioning line on bottom left at radiator support.
7 If air conditioning fitted: unscrew condensor from radiator.
Model 201
Remove the front bumper (88-200) before unscrewing the condensor.
8 If air conditioning fitted: raise condensor of air conditioning system with auxiliary fan.
Model 129
Installation instruction
Insert both rubber mounts (1) into the supports (2) on left and right of radiator (stick on). When installing radiator, raise the condensor with auxiliary fans. Introduce bearing points (arrow) into the rubber mounts (1).
9 Withdraw flat springs upward and lift radiator up out of the rubber grommets of the cross support.
Installation instruction
The mounting studs of the radiator must be introduced into the rubber grommets of the cross support or bracket.
10 Take fan shroud off radiator.
Installation is performed in the reverse order.
11 If automatic transmission fitted: check oil level.
12 Test cooling system for leaks (20-0170).
Referenced documents
- ra01001030010x 0010 - Engine and model overview Engine 103
- ra01001030085x 0085 - Warning instructions when the hood is open Engine 103
- ra20001030050x 0050 - Coolant circuit: Diagram, coolant pumps Engine 103 (note deviations for off-road vehicles)
- ra20001030100x 0100 - Draining, pouring in coolant Anti-freeze protection table Engine 103
- ra20001030170x 0170 - Checking the cooling system for leaks Engine 103 (note deviations for off-road vehicles)
- ra20001034270x 4270 - Replacement of the vent connection at the radiator Engine 103 (note deviations for off-road vehicles)
- ra2000103pr00x Programmed repairs: Coolant Engine 103
- ra88002010200z 0200 - Removal and installation of front bumper Model 201
- wh6190pkw0000x 6190 - Removal and installation of the bottom engine compartment paneling Models 124.0/2 to 6/93, 129 to 6/93, 140.0 to 6/93, 201.0