TORQUE CONVERTER GP 1T1841 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 138-7573 Link Bracket 2
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
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, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat products.Dispose of all fluids according to local regulations and mandates.
Drain the coolant from the expansion tank into a suitable container for storage or for disposal.
Illustration 1 g00599053
Remove bolts (2) and the washers. Carefully slide flange (1) down tube (3).
Illustration 2 g00599054
Remove bolts (4), elbow (5), and tube (3).
Illustration 3 g01055978
Remove bolts and washers (6). Remove flanges (8) and tubes (7).
Illustration 4 g00599056
Remove bolts (9) from the top of the expansion tank. Install Tooling (A) in the holes.
Attach a suitable lifting device onto Tooling (A). The weight of the expansion tank is approximately 209 kg (460 lb).
Illustration 5 g01056904
Remove bolts (10) and the washers. Remove expansion tank (11). Installation Procedure
Table 2
Required Tools
Tool Part Number Part Description Qty
A 138-7573 Link Bracket 2
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 6 g00599056
Remove bolts (9) from the top of the expansion tank. Install Tooling (A) in the holes.
Attach a suitable lifting device onto Tooling (A). The weight of the expansion tank is approximately 209 kg (460 lb).
Illustration 7 g01056904
Position expansion tank (11) and install bolts (10) and the washers .
Illustration 8 g00599056
Remove Tooling (A). Install bolts (9) in the holes.
Illustration 9 g01055978
Inspect the seals for flanges (8). Obtain new seals, if necessary. Lubricate the bores of flanges (8) lightly with glycerin. Insert the seals into flanges (8). Install flanges (8) and tubes (7) with bolts (6).
Illustration 10 g00599054
Inspect the O-ring seal for tube (3). Obtain a new O-ring seal, if necessary. Lubricate the bore of elbow (5) lightly with glycerin. Insert the O-ring seal into the bore of elbow (5). Insert tube (3) into the bore of elbow (5).
Inspect the seal for the joint between elbow (5) and the water pump. Obtain a new seal, if necessary. Place the seal onto the flange of elbow (5). Fasten elbow (5) to the water pump with bolts (4).
Illustration 11 g00599053
Inspect the gasket for the joint between flange (1) and the expansion tank. Obtain a new gasket, if necessary. Insert the gasket into flange (1). Carefully slide flange (1) up tube (3). Fasten flange (1) with bolts (2) and the washers.
Fill the expansion tank to the correct level. For the proper coolant to use, refer to the Operation and Maintenance Manual for the engine that is being serviced.