62386 Mariner GASKET, THERMOSTAT

Hot oil and hot components can cause personal injury. Do not allow hot oil or hot components to contact skin. At operating temperature, the engine coolant is hot and under pressure.Steam can cause personal injury.Check the coolant level only after the engine has been stopped and the cooling system pressure cap is cool enough to touch with your bare hand.Remove the cooling system pressure cap slowly to relieve pressure.Cooling system conditioner contains alkali. Avoid contact with the skin and eyes to prevent personal injury.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop Products Guide" for tools and supplies suitable to collect and contain fluids on Caterpillar products.Dispose of all fluids according to local regulations and mandates.
Note: Put identification marks on all lines and on all hoses for installation purposes. Plug all lines and all hoses. This will help to prevent fluid loss and this will help to keep contaminants from entering the system.
Remove the rear crankcase guard below the transmission oil cooler.Reference: Refer to the Disassembly and Assembly Manual, "Remove and Install Crankcase Guards".
Open the engine access doors on the left side of the machine.
Illustration 1 g00748869
Slowly, remove the filler cap (1) in order to release the pressure in the cooling system. Drain the coolant into a suitable container for storage. The drain valve is under the radiator. The fluid capacity of the cooling system is 135 L (35.5 US gal).
Drain the engine crankcase oil into a suitable container for disposal. The fluid capacity of the crankcase is 42 L (11 US gal).
Drain the transmission oil into a suitable container for disposal. The fluid capacity of the transmission is 70 L (18.5 US gal).
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The View From Below The Transmission Oil Cooler
Remove hose assembly (2) from the bottom of the transmission oil cooler. Disconnect fitting (3) for the coolant from bonnet (4) .
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The View From Below The Transmission Oil Cooler
Remove the two bolts and two retainers (5) that are holding tube assembly (6) to the adapter (7) for the oil pan.
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The View From Below The Transmission Oil Cooler
Remove four bolts (9) and split flange (8) that is holding hose assembly (10) to the transmission oil cooler.
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Remove bolt (11) and position dipstick (12) out of the way. Install bolt (11) in position.
Remove two bolts (13) from tube assembly (6). Remove tube assembly (6) and gasket (15) from oil cooler inlet (14). Remove the bolt and clip (16) and position four hose assembly (17) out of the way.
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Fasten the appropriate lifting device to the transmission oil cooler (18).
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Remove two bolts (19) that are holding bonnet (4) to the engine. Remove three bolts (20) that are holding bonnet (4) to the oil cooler inlet (21). Remove the two gaskets and a spacer (22) (not shown) that is between bonnet (4) and cooler inlet (21) .
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Identify six bolts (22) for installation. Remove six bolts (22) that are holding transmission oil cooler (18) to bonnet (24) .Note: A small amount of oil and coolant will drain out of the transmission oil cooler. Position a suitable container under the transmission oil cooler in order to collect all the fluids.
Remove transmission oil cooler (18) and gasket (25) . The approximate weight of transmission oil cooler is 34 kg (75 lb).
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Identify bolts (26) for installation purposes. Remove bolts (26) that are holding bonnet (4) to transmission oil cooler (18). Remove bonnet (4) a