Automatic transmission slipping on Mercedes E320 (1997)

remove items in this order and fit in reverse
1st-grill to help with access
2nd-cooling fan
3rd-fan shroud
4th-radiator hoses x3
5th-radiator
remember to remove the rubbers at the bottom of the old radiator to use on the new radiator

sounds about right ,but never seen this car here in spain ...

THose are not fun. pretty sure you have to remove the grill and loosen the Radiator to sneak them out.

There is normally a cooler in the radiator that cools the oil for the transmission. If the new transmission has a problem and generated excessive temperature in the oil that would be transferred to the engine coolant and could cause it to over heat. I would have the radiator check for blocked cores and the cooling fans were working before I started on the transmission shop as if the radiator was borderline before, it would not handle the extra load from the transmission. If it checks out ok then I would be asking why the oil got so hot that it overheated the engine As a side suggestion after you have sorted out the problems ,it is always a good idea to consider a air cooled system for the transmission oil as it removes the extra heat going into the radiator.

The radiator fan relay is located behind the grill on the driver's side of the vehicle. There is no relay in the distribution box. There is a 40 amp fusible link, however, in that box.
The relay (behind the grill) works in conjunction with the coolant temperature sensor, the A/C high pressure switch, the transmission temperature sender and the PCM. This relay will run the fans from 30% to 99% of full speed based on the signal coming from the PCM. This is all according to the official Chrysler shop manuals that I have for my 2005 Town and Country van.

Radiator Removal

1. Drain the cooling system by removing the radiator cap and attaching a 9.5mm (3/8-inch) inside diameter hose to the draincock nipple, located at the lower rear corner of the radiator tank. Then, open the draincock and allow the coolant to flow through the hose into a suitable container.

1. Remove the rubber overflow tube from the radiator and store it out of the way.

1. Remove the shroud's or finger guard's two upper attaching screws. Lift the shroud out of the lower retaining clips and drape it on the fan.

1. Loosen upper and lower hose clamps at the radiator and remove hoses from the radiator connectors.

1. For vehicles with automatic transmissions:
   1. Disconnect the two transmission cooling lines from the oil cooler fittings on the radiator. Intermediate flare fittings as shown remain as originally installed.
1. Disconnect the transmission cooler tube support bracket from the bottom flange of the radiator by removing the screw.

1. Remove the two radiator upper attaching screws.

1. Tilt the radiator back (rearward) approximately 25mm (one inch) and lift directly upward, clear of the radiator support and the cooling fan.

1. If either hose is to be replaced, loosen clamp at the engine end and slip the hose off the connections with a twisting motion.

1. Lift the shroud off the fan and remove from the vehicle.

1. Remove the radiator lower support rubber insulators.

Volvo 1990-1998 Repair Guide
Radiator - REMOVAL & INSTALLATION
Perform this work only on a cold engine.

1. Disconnect the negative battery cable.
2. Set the heater control to MAX heat.
3. Remove the expansion tank cap.
4. Place a suitable drain pan into position. Open the **** on the right-hand side of the engine block. Fit a hose to the **** to collect the coolant. Open the radiator draincock.
5. Close the drain cocks when the coolant is completely drained.
6. Remove the cooling fan.
7. Remove the cooling fan shroud.
8. Disconnect the upper and lower radiator hoses

9. On vehicles equipped with automatic transmissions, disconnect the transmission oil cooler lines at the radiator. Plug the lines immediately. Catch the spillage from the radiator in a separate pan.

10. Some vehicles are equipped with a temp sensor on the drivers side top of the radiator, if equipped remove the connector.
11. Remove the radiator retaining bolts and brackets.
_
12. Remove the radiator assembly from the vehicle.

On 850/C70/S70/V70 models, the radiator comes out the bottom of the vehicle.
To install:

1. Place the radiator into position and install the retaining bolts.
2. On automatic transmission vehicles, connect the oil cooler lines.
3. Install the fan and shroud.
4. Install the lower and upper radiator hoses.
5. Connect the expansion tank hose. Make sure that the overflow hose is clear of the fan and is free of any sharp bends.
6. Fill the cooling system through the expansion tank, with a 50 percent antifreeze, 50 percent water solution.
7. Connect the negative battery cable.
8. Run the engine until normal operating temperature is reached.
9. Bleed the cooling system.
10. Check for leaks.
11. Top up the cooling system, as required.
12. Replace the cap.
13. Check and top up the automatic transmission fluid level.

Hope thats help (remember comment and rated this).

WARINING
Do not remove the cylinder block drain plugs or loosen the radiator drain **** with the system hot and under pressure. Serious burns from coolant can occur.

WARNING When removing the radiator or A/C condenser for any reason, note the location of all radiator- to-body and radiator-to-A/C condenser rubber air seals. These are used at the top, bottom and sides of the radiator and A/C condenser. To prevent overheating, these seals must be installed to their original positions.

Removal & Installation:

1. Disconnect battery negative cable.
2. Remove radiator pressure cap.
3. For access to radiator draincock, remove radiator grill mounting screws and remove grill.
4. Attach one end of a 24 inch long x 1 / 4 inch ID hose to the radiator petcock Put the other end into a clean container. Open petcock and drain radiator.
5. Detach power steering fluid reservoir from fan shroud and lay aside.
6. Disconnect electric cooling fan electrical connector, if equipped
7. Disconnect CRS hose from radiator filler neck and remove from shroud retaining loops.
8. Remove the four (4) viscous fan/drive assembly nuts from the water pump pulley and remove fan/drive assy.
9. Remove the four (4) fan shroud to core support mounting screws.
10. Remove the electric fan (if equipped) and shroud assembly from the vehicle
11. Remove radiator upper crossmember.
12. If equipped with air conditioning, separate radiator from condenser by removing condenser-to-radiator mounting brackets.
13. Disconnect upper and lower radiator hoses.
14. If equipped, disconnect and plug automatic transmission fluid cooler lines. Quick Connect Fitting Release Tool 6935 may be needed. If equipped with remote transmission cooler, remove line to cooler from bracket at bottom of radiator
15. Lift radiator straight up and out of engine compartment taking care not to damage fins.
16. If radiator is to be replaced, be sure to remove and transfer any components not included with replacement radiator.

To install:

1. The radiator is supplied with two alignment dowels. They are located on the bottom tank and fit into rubber grommets in the radiator lower crossmember.
2. Lower radiator into engine compartment. Position alignment dowels into rubber grommets in radiator lower crossmember.
3. If equipped with air conditioning, attach condenser to radiator with mounting brackets
4. Install radiator upper crossmember and four mounting bolts.
5. Install radiator upper crossmember-to-isolator nuts. Tighten nuts to 86 inch lbs. (10 Nm) torque. If isolator-to-radiator nuts had been removed, tighten them to 47 inch lbs. (5 Nm).
6. Connect radiator upper and lower hoses.
7. If equipped, connect automatic transmission fluid cooler lines. If equipped with remote cooler, attach cooler line to bracket at bottom of radiator.
8. Install electric fan (if equipped) and shroud assembly. Insert alignment tabs at bottom of fan shroud into slots in bracket at bottom of radiator. Tighten mounting bolts to 31 inch lbs. (3 Nm).
9. Connect electric cooling fan electrical connector.
10. Install power steering reservoir to fan shroud.
11. Install grill.
12. Connect battery negative cable.
13. Fill cooling system with correct coolant.
14. Install pressure cap.
15. Check and adjust automatic transmission fluid level (if equipped)
16. Start engine and visually check for leaks.

For more details I suggest review the Service Repair Manual:
- Section-07-Cooling-System-Ewj7 (page 33 and next)
- Section-07a-Cooling-System-Ewj7a

I really hope helped with this (remember rated and comment this help) Good luck.

1. Disconnect the radiator fan motor connector. 2. Set the temperature control switch to the hot position. 3. Loosen the radiator drain plug to drain coolant. 4. Disconnect the upper and lower hose and overflow tube. 5. For vehicles with automatic transmission, disconnect the oil cooler hoses from the automatic transmission. Plug the ends of the oil cooler hoses and the automatic transmission fittings to prevent transmission fluid from spilling out and foreign material from entering. 6. Remove the radiator mounting bolts. 7. Remove the radiator and the fan motor together. 8. Remove the fan motor from the radiator. findme(''); findme(''); findme('');

DISASSEMBLY 1. Disconnect the radiator fan motor connector. 2. Set the temperature of the heater control to the hot position. 3. Loosen the radiator drain plug to drain coolant. 4. Disconnect the upper and lower hose and overflow tube. 5. For vehicles with automatic transmission, disconnect the oil cooler hoses from the automatic transmission. Plug the ends of the oil cooler hoses and the automatic transmission fittings to prevent transmission fluid from spilling out and foreign material from entering. 6. Remove the radiator mounting bolts. 7. Remove the radiator together with the fan motor. 8. Remove the fan motor from the radiator.