- Engine
- C175-16 (S/N: 3A91-UP; Y3A1-UP; KWT1-UP; R1X1-UP)
Introduction
Do not perform any procedure in this Special Instruction until you have read the information and you understand the information.
Safety Section
NOTICE |
---|
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. |
Required Parts
Qty | Part Number | Part Name |
---|---|---|
1 | O-Ring Seal | |
1 | Nut | |
11 | Hard Washer | |
7 | Hard Washer | |
2 | Bolt | |
4 | Bolt | |
2 | Bolt | |
10 | Bolt | |
4 | Bolt | |
1 | Clip | |
1 | Clip | |
16 | Washer | |
2 | O-Ring Seal | |
9 | Clip | |
9 | Clip | |
3 | Bolt | |
1 | Nut | |
2 | Bolt | |
3 | Hard Washer | |
12 | Bolt | |
1 | O-Ring Seal | |
4 | Hard Washer | |
11 | Grommet | |
2 | Clip | |
2 | Clip | |
1 | O-Ring Seal | |
1 | Plug | |
2 | Strap | |
4 | O-Ring Seal | |
4 | O-Ring Seal | |
2 | Plug | |
2 | O-Ring Seal | |
2 | O-Ring Seal | |
1 | Tube As | |
2 | Ring | |
4 | Ring | |
1 | Tube As | |
4 | Flange | |
2 | Flange | |
1 | Grommet | |
1 | Bracket As | |
1 | Bracket | |
2 | Block | |
3 | Block | |
3 | Coupling Gp | |
1 | Tube As | |
1 | Tube | |
1 | Bracket | |
1 | Tube |
Installing the
- Allow the engine to cool.
- Drain coolant from cooling system into a suitable container for storage or for disposal.
Show/hide table
Illustration 1 g06143274 - Drain oil from oil cooler bypass housing into a suitable container for storage or for disposal. Remove and set aside the M12 drain plug for reuse.
- Remove and discard the clip and associated hardware.
- Remove and discard the oil tube, clips, and associated hardware.
- Retain the 9Y-2099 Flange for reuse.
Show/hide table
Illustration 2 g06143279 (1) 516-4042 Bracket
(2)6V-3668 Bolt
(3)5P-8245 Hard Washer - Attach bracket (1) to the front housing with two bolts (2) and two washers (3).
Show/hide table
Illustration 3 g06143283 (4) 516-4043 Tube
(5)344-9285 Ring
(6)371-6762 Flange - Install flange 6 onto tube assembly (4). The large flange end goes toward the tube assembly double upset.
- Install ring 5 onto tube assembly (4). The large taper end goes toward the tube assembly double upset.
Show/hide table
Illustration 4 g06143284 (4) 516-4043 Tube
(7)6V-6707 O-Ring Seal
(8)9Y-2099 Flange
(9)269-7885 O-Ring Seal - Install one O-ring (9) onto tube assembly (4).
- Lubricate the bore of flange (8) and O-ring (9) with O-ring lubricant.
- Install flange (8) onto tube assembly (4) and O-ring (9).
- Install one O-ring (7) into flange (8). Use O-ring retention compound to hold the O-ring inside the flange.
Show/hide table
Illustration 5 g06143289 (4) 516-4043 Tube
(8)9Y-2099 Flange
(10)8T-0643 Bolt
(11)6V-5839 Washer - Attach tube assembly (4) and flange (8) to the engine with two bolts (10) and two washers (11).
Show/hide table
Illustration 6 g06143290 (4) 516-4043 Tube
(8)9Y-2099 Flange
(10)8T-0643 Bolt
(11)6V-5839 Washer - Attach tube assembly (4) and flange (8) to the oil cooler with two bolts (10) and two washers (11).
Show/hide table
Illustration 7 g06143296 (1) 516-4042 Bracket
(4)516-4043 Tube
(11)6V-5839 Washer
(12)6V-3822 Bolt
(13)2Y-5829 Nut
(14)454-0707 Grommet
(15)6V-4356 Clip
(16)6V-4357 Clip - Install one grommet (14) around tube assembly (4).
- Install one clip (15) and one clip (16) around grommet (14).
- Attach clips (15) and (16) to bracket (1) with one bolt (12), two washers (11), and one nut (13).
- Re-install the M12 drain plug into the bottom of the oil cooler bypass housing.
Installing the
Illustration 8 | g06143302 |
- Remove and discard the tube assemblies and associated hardware.
Show/hide table
Illustration 9 g06143312 The 502-6652 Coupling Gp installed over both tube assemblies.Show/hide tableIllustration 10 g06143314 The 502-6652 Coupling Gp slid over onto one tube assembly. - Remove 502-6652 Coupling Gp from the coolant tube assemblies. Slide the coupling past the end of the tubes. Make sure the gripper teeth are disengaged from the tubes.
Note: Loosen the bolts alternately, but do not remove the bolts.
Show/hide tableIllustration 11 g06143308 - Remove and set aside the 215-9090 Elbow from the rear coolant tube assembly for reuse.
- Remove and set aside the 129-9454 Flange from the front and rear coolant tube assemblies for reuse.
Show/hide table
Illustration 12 g06143322 (1) 248-4097 Strap
(2)6V-4248 Bolt
(3)6V-5839 Washer - Attach two straps (1) to the inlet air manifolds with one bolt (2) and one washer (3) per strap.
Show/hide table
Illustration 13 g06143283 (4) 512-4971 Tube
(5)344-9286 Ring
(6)371-6761 Flange - Install flange 6 onto tube assembly (4). The large flange end goes toward the tube assembly double upset.
- Install ring 5 onto tube assembly (4). The large taper end goes toward the tube assembly double upset.
Show/hide table
Illustration 14 g06143284 (4) 512-4971 Tube
(7)258-8738 O-Ring Seal
(8)129-9454 Flange
(9)259-4597 O-Ring Seal - Install one O-ring (9) onto tube assembly (4).
- Lubricate the bore of flange (8) and O-ring (9) with O-ring lubricant.
- Install flange (8) onto tube assembly (4) and O-ring (9).
- Install one O-ring (7) into flange (8). Use O-ring retention compound to hold the O-ring inside the flange.
Show/hide table
Illustration 15 g06143328 (4) 512-4971 Tube
(8)129-9454 Flange
(10)8T-0643 Bolt
(11)6V-5839 Washer - Attach tube assembly (4) and flange (8) to the coolant elbow with two bolts (10) and two washers (11).
Show/hide table
Illustration 16 g06143337 (4) 512-4971 Tube
(12)103-0892 Grommet
(13)6V-6782 Clip
(14)6V-6783 ClipShow/hide tableIllustration 17 g06143358 (1) 248-4097 Strap
(12)103-0892 Grommet
(13)6V-6782 Clip
(14)6V-6783 Clip
(15)6V-1820 Bolt
(16)3E-4353 Hard Washer - Install one grommet (12) around tube (4).
- Install one clip (13) and one clip (14) around grommet (12).
- Attach clips (13) and (14) to strap (1) with one bolt (15) and one washer (16).
Show/hide table
Illustration 18 g06143361 - Slide the 502-6652 Coupling Gp over the end of tube (1) and out of the way.
Show/hide table
Illustration 19 g06143362 (5) 344-9286 Ring
(6)371-6761 Flange
(17)512-4970 Tube As - Install flange 6 onto tube assembly (17). The large flange end goes toward the tube assembly double upset.
- Install ring 5 onto tube assembly (17). The large taper end goes toward the tube assembly double upset.
Show/hide table
Illustration 20 g06143363 (7) 258-8738 O-Ring Seal
(8)129-9454 Flange
(9)259-4597 O-Ring Seal
(17)512-4970 Tube As - Install one O-ring (9) onto tube assembly (17).
- Lubricate the bore of flange (8) and O-ring (9) with O-ring lubricant.
- Install flange (8) onto tube assembly (17) and O-ring (9).
- Install one O-ring (7) into flange (8). Use O-ring retention compound to hold the O-ring inside the flange.
Show/hide table
Illustration 21 g06143368 (8) 129-9454 Flange
(10)8T-0643 Bolt
(11)6V-5839 Washer
(17)512-4970 Tube As - Attach tube assembly (17) and flange (8) to the housing with two bolts (10) and two washers (11).
Show/hide table
Illustration 22 g06143397 (12) 103-0892 Grommet
(13)6V-6782 Clip
(14)6V-6783 Clip
(17)512-4970 Tube AsShow/hide tableIllustration 23 g06143402 (12) 103-0892 Grommet
(13)6V-6782 Clip
(14)6V-6783 Clip
(15)6V-3822 Bolt
(16)3E-4353 Hard Washer - Install one grommet (12) around tube (17).
- Install one clip (13) and one clip (14) around grommet (12).
- Attach clips (13) and (14) to the inlet air manifolds with one bolt (15) and one washer (16) per set of clips.
Show/hide table
Illustration 24 g06143409 (4) 512-4971 Tube
(17)512-4970 Tube AsShow/hide tableIllustration 25 g06044126 A properly torqued coupling should have the coupling bars parallel and approximately a finger width apart. - Make sure that tube assemblies (4) and (17) are aligned.
- Measure the length of the 502-6652 Coupling Gp.
- Mark half width of the 502-6652 Coupling Gp from center of gap on each tube assembly.
- Slide the 502-6652 Coupling Gp over and center coupling between these marks.
- Tighten the coupling bolts lightly alternating between each bolt. Refer to Illustration 25 for a properly torqued coupling.
Torque bolts ...
12 N·m (106 lb in) Show/hide tableIllustration 26 g06143412 (17) 512-4970 Tube As
(18)260-9153 Plug
(19)262-9990 O-Ring Seal - Install plug (18) and one O-ring (19) into tube assembly (17).
Show/hide table
Illustration 27 g06143417 (17) 512-4970 Tube As
(20)216-8578 O-Ring Seal - Install the original 215-9090 Elbow and one O-ring (20) into tube assembly (17).
Installing the
Illustration 28 | g06143424 |
- Remove and set aside the clips with grommets and associated hardware for reuse.
- Remove and discard the tube assembly, clips without grommets, and associated hardware.
Show/hide table
Illustration 29 g06143427 The 502-6652 Coupling Gp installed over both tube assemblies.Show/hide tableIllustration 30 g06143428 The 502-6652 Coupling Gp slid over onto one tube assembly. - Remove and set aside the 359-9855 Coupling As from the coolant tube assemblies for reuse. Slide the coupling past the end of the tubes. Make sure the gripper teeth are disengaged from the tubes.
Note: Loosen the bolts alternately, but do not remove the bolts.
- Remove and set aside the 129-9454 Flange from the coolant tube assembly for reuse.
Show/hide table
Illustration 31 g06143433 (1) 477-2035 Bracket
(2)6A-5591 Bolt
(3)5P-8245 Hard Washer - Attach bracket (1) to the flywheel housing with two bolts (2) and two washers (3).
Show/hide table
Illustration 32 g06143283 (4) 348-8242 Tube As
(5)344-9286 Ring
(6)371-6761 Flange - Install flange 6 onto tube assembly (4). The large flange end goes toward the tube assembly double upset.
- Install ring 5 onto tube assembly (4). The large taper end goes toward the tube assembly double upset.
Show/hide table
Illustration 33 g06143284 (4) 348-8242 Tube As
(7)258-8738 O-Ring Seal
(8)129-9454 Flange
(9)259-4597 O-Ring Seal - Install one O-ring (9) onto tube assembly (4).
- Lubricate the bore of flange (8) and O-ring (9) with O-ring lubricant.
- Install flange (8) onto tube assembly (4) and O-ring (9).
- Install one O-ring (7) into flange (8). Use O-ring retention compound to hold the O-ring inside the flange.
Show/hide table
Illustration 34 g06143456 (4) 348-8242 Tube As
(8)129-9454 Flange
(10)8T-0643 Bolt
(11)6V-5839 Washer - Attach tube assembly (4) and the original flange (8) to the housing with two bolts (10) and two washers (11).
Show/hide table
Illustration 35 g06143458 (4) 348-8242 Tube As - Slide the 502-6652 Coupling Gp over the end of tube assembly (4) and out of the way.
Show/hide table
Illustration 36 g06143470 (1) 477-2035 Bracket
(4)348-8242 Tube As
(12)103-0892 Grommet
(13)6V-6782 Clip
(14)6V-6783 Clip
(15)6V-8197 Bolt
(16)5P-8245 Hard Washer
(17)6V-8149 Nut - Install grommet (12) around tube assembly (4).
- Install one clip (13) and one clip (14) around grommet (12).
- Attach clips (13) and (14) to bracket (1) with one bolt (15), one washer (16), and one nut (17).
Show/hide table
Illustration 37 g06143464 - Install the original grommet and clips around tube assembly (4).
- Secure the original clips to the engine with the original hardware.
Show/hide table
Illustration 38 g06143458 (4) 348-8242 Tube AsShow/hide tableIllustration 39 g06044126 A properly torqued coupling should have the coupling bars parallel and approximately a finger width apart. - Make sure that tube assemblies (4) and the original tube assembly are aligned.
- Measure the length of the 502-6652 Coupling Gp.
- Mark half width of the 502-6652 Coupling Gp from center of gap on each tube assembly.
- Slide the 502-6652 Coupling Gp over and center coupling between these marks.
- Tighten the coupling bolts lightly alternating between each bolt. Refer to Illustration 25 for a properly torqued coupling.
Torque bolts ...
12 N·m (106 lb in) Show/hide tableIllustration 40 g06143478 - Remove and discard the tube assembly, clips, and associated hardware.
Show/hide table
Illustration 41 g06143480 The 502-6652 Coupling Gp installed over both tube assemblies.Show/hide tableIllustration 42 g06143490 The 502-6652 Coupling Gp bolts.Show/hide tableIllustration 43 g06143491 The 502-6652 Coupling Gp slid over onto one tube assembly. - Remove and set aside the 502-6652 Coupling Gp from the coolant tube assemblies for reuse. Slide the coupling past the end of the tubes. Make sure the gripper teeth are disengaged from the tubes.
Note: Loosen the bolts alternately, but do not remove the bolts.
- Remove and set aside the 129-9454 Flange from the coolant tube assembly for reuse.
Show/hide table
Illustration 44 g06143496 - Slide the 502-6652 Coupling Gp off of the tube assembly.
Show/hide table
Illustration 45 g06143593 Show/hide tableIllustration 46 g06143498 (18) 486-1382 Block
(19)6V-7673 Bolt
(20)7D-1649 Hard Washer - Attach three blocks (18) to the engine block with one bolt (19) and one washer (20) per block.
Note: The tapped hole is offset from the through hole in block (18). Orient the tapped hole offset up.
Note: The blocks use the same hole as the original clips.
Show/hide tableIllustration 47 g06143501 (12) 103-0892 Grommet
(13)6V-6782 Clip
(14)6V-6783 Clip
(18)486-1382 Block
(21)6V-3822 Bolt
(22)3E-4353 Hard Washer - Install one grommet (12) around the original tube assembly.
- Install one clip (13) and one clip (14) around grommet (12).
- Attach clips (13) and (14) to block (18) with one bolt (21) and one washer (22).
Show/hide table
Illustration 48 g06143505 (5) 344-9286 Ring
(6)371-6761 Flange
(23)339-5623 Tube As - Install flange 6 onto tube assembly (23). The large flange end goes toward the tube assembly double upset.
- Install ring 5 onto tube assembly (23). The large taper end goes toward the tube assembly double upset.
Show/hide table
Illustration 49 g06143506 (7) 258-8738 O-Ring Seal
(8)129-9454 Flange
(9)259-4597 O-Ring Seal
(23)339-5623 Tube As - Install one O-ring (9) onto tube assembly (23).
- Lubricate the bore of flange (8) and O-ring (9) with O-ring lubricant.
- Install flange (8) onto tube assembly (23) and O-ring (9).
- Install one O-ring (7) into flange (8). Use O-ring retention compound to hold the O-ring inside the flange.
Show/hide table
Illustration 50 g06143509 (8) 129-9454 Flange
(10)8T-0643 Bolt
(11)6V-5839 Washer
(23)339-5623 Tube As - Attach tube assembly (23) and the original flange (8) to the housing with two bolts (10) and two washers (11).
Show/hide table
Illustration 51 g06143513 (23) 339-5623 Tube As
(24)241-6174 Plug
(25)8T-7526 O-Ring Seal - Install plug (24) and one O-ring (25) into tube assembly (23).
Show/hide table
Illustration 52 g06143516 - Slide the 502-6652 Coupling Gp over the end of the tube assembly (23).
Show/hide table
Illustration 53 g06143593 Show/hide tableIllustration 54 g06143501 (12) 103-0892 Grommet
(13)6V-6782 Clip
(14)6V-6783 Clip
(18)486-1382 Block
(21)6V-3822 Bolt
(22)3E-4353 Hard Washer
(23)339-5623 Tube As - Install two grommets (12) around tube assembly (23).
- Install one clip (13) and one clip (14) around each grommet (12).
- Attach clips (13) and (14) to blocks (18) with one bolt (21) and one washer (22) per set of clips.
Show/hide table
Illustration 55 g06143516 Show/hide tableIllustration 56 g06044126 A properly torqued coupling should have the coupling bars parallel and approximately a finger width apart. - Make sure that tube assembly (4) and the original tube assembly are aligned.
- Measure the length of the 502-6652 Coupling Gp.
- Mark half width of the 502-6652 Coupling Gp from center of gap on each tube assembly.
- Slide the 502-6652 Coupling Gp over and center coupling between these marks.
- Tighten the coupling bolts lightly alternating between each bolt. Refer to Illustration 25 for a properly torqued coupling.
Torque bolts ...
12 N·m (106 lb in) Show/hide tableIllustration 57 g06143596 - Remove and discard the clips, brackets, and associated hardware one set of clips at a time.
Show/hide table
Illustration 58 g06178191 (12) 103-0892 Grommet
(22)3E-4353 Hard Washer
(24)208-6135 Clip
(25)208-6136 Clip
(26)6V-1820 Bolt
(27)486-1380 Block
(28)6V-4248 Bolt - Install two blocks (27) to the air inlet manifolds with one bolt (28) and one washer (22) per block.
- Install one grommet (12) around the original tube assembly.
- Install one clip (24) and one clip (25) around grommet (12).
- Attach clips (24) and (25) to block (27) with one bolt (26) and one washer (22).
- Install one grommet (12) around the original tube assembly.
- Install one clip (24) and one clip (25) around grommet (12).
- Attach clips (24) and (25) to block (27) with one bolt (26) and one washer (22).
Show/hide table
Illustration 59 g06143635 Show/hide tableIllustration 60 g06143659 - Remove and discard the clips and associated hardware.
Show/hide table
Illustration 61 g06143637 - Remove and discard the clips and associated hardware.
Show/hide table
Illustration 62 g06143638 Show/hide tableIllustration 63 g06143642 - Remove and discard the bracket and associated hardware. Set aside the 307-9758 Cover for reuse.
Show/hide table
Illustration 64 g06178193 (12) 103-0892 Grommet
(13)6V-6782 Clip
(14)6V-6783 Clip
(15)6V-8197 Bolt
(16)5P-8245 Hard Washer
(21)6V-3822 Bolt
(29)477-2032 Bracket As
(30)8T-7934 Hard Washer - Attach bracket (29), the original 307-9758 Cover, and one 1T-1068 O-Ring Seal to the front housing with four bolts (21) and four washers (30).
Note: A new 1T-1068 O-Ring Seal should be used.
- Install one grommet (12) around the original tube assembly.
- Install one clip (13) and one clip (14) around grommet (12).
- Attach clips (13) and (14) to bracket (29) with one bolt (15) and one washer (16).