Withdrawal
The engine oil cooler is either an integral part of the radiator or a separate unit installed in front of the radiator.
1. Disconnect the refrigerant tubing quick connectors.
2. On the L76 engine (6.0 l) and if installed, do the following:
- open the clip fixing the oil cooler hoses located on the bottom of the fan diffuser;
- remove the oil cooler hoses from the clips.
3. Raise the vehicle and place the safety struts under the frame.
4. On LY6 engine (6.0 l) release the oil cooler hoses from the support clips.
Attention: when installing, make sure that the hose to be installed (a tube) The oil cooler has a plastic quick connector cap at the end. If the plastic cover is missing or damaged, install a new cover. Install cap before installing hose (tubes).
5. Place a jack under the rear of the vehicle.
6. If installed, remove motor protection.
7. If installed, remove the front differential housing guard.
8. On 1500 and 2500 series vehicles, create a temporary support (jack) for the front differential housing.
9. On 1500 series vehicles, remove the nuts securing the right side of the differential case.
10. Turn away bolts of fastening of the left party of a case of differential. Tightening torque 100 Nm.
11. Lower differential.
12. On 2500 series vehicles, remove the nuts securing the right side of the differential case. Tightening torque 100 Nm.
13. Remove the bolt and nut of the upper support of the differential case.
14. Remove the bolt and nut of the lower differential housing support.
Note: When installing, first finger-tighten the leg bolts and nuts, tighten the side fasteners, then tighten the leg fasteners.
15. On the L76 engine (6.0 l) do the following:
- A) drop the differential.
- b) unscrew the bolts (2) attaching the oil cooler hose adapter. Tightening torque 12 Nm.
- V) remove the hose assembly and gasket. discard the gasket.
- G) check the condition of the fittings, connectors and hoses. Look for signs of damage or deformation.
16. On the LY6 engine (6.0 l) do the following:
- A) Remove the bolt (1) oil cooler hose bracket, see figure for item 15. Tightening torque 25 Nm.
- b) Perform operations according to paragraphs 156, 15c and 15d.
Installation
17. Installation is carried out in the reverse order.