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12 15-10
1
12 15-10
SUBJECT
DATE
Oil Pan Removal and Installation
December 2010
Additions, Revisions, or Updates
Publication Number / Title
Platform
DDC-SVC-MAN-0080
Section Title
4.5 Lubrication System /
Cooling System Torque
Specifications
DD
DDC-SVC-MAN-0081
19.2 Removal of Oil Pan 19.7 Installation of Oil
Pan
Change
New torque specs for Grade 10.9 oil pan mounting bolts have been
added.
All information subject to change without notice.
12 15-10
Copyright © 2011 DETROIT DIESEL CORPORATION
3
2 Lubrication System / Cooling System Torque Specifications
2
Lubrication System / Cooling System Torque Specifications
This table contains the torque specifications for the lubrication system / cooling system.
LUBRICATION SYSTEM
Component
Metric Unit (N·m)
English Unit (lb·ft)
Threaded Insert
Connecting Nut
100 N·m
73 lb·ft
Oil Pan Drain Plug
45 N·m
33 lb·ft
Oil Pan Bolts
Grade 8.8
20-25 N·m
Grade 8.8
15-18 lb·ft
Grade 10.9
30-35 N·m
Grade 10.9
22-26 lb·ft
Dipstick Tube Fitting
M20X1.5
60 N·m
44 lb·ft
Dipstick Tube Fitting
M22X1.5
70 N·m
51 lb·ft
Dipstick Tube Fitting
M27X1.5
90 N·m
66 lb·ft
Dipstick Tube Fitting
M30X1.5
100 N·m
73 lb·ft
55 N·m ±5
40 lb·ft ±5
Oil Pump Bolts
30 N·m
22 lb·ft
Oil Manifold to Cylinder
Block
60 N·m
44 lb·ft
Crankcase Breather to
Engine Block
60 N·m
44 lb·ft
Breather Pipe
30 N·m
22 lb·ft
Filter Cover
55 N·m
40 lb·ft
20-25 N·m
15-19 lb·ft
10 N·m
7 lb·ft
10 N·m
7 lb·ft
Final torque 60-65 N·m
Final torque 44-47 lb·ft
70-80 N·m
51-59 lb·ft
80 N·m
59 lb·ft
Oil Filter and Cap
Thermostat to Oil
Coolant Module
Oil Coolant Module
Guide Studs
Oil Coolant Module
Bolts
Allen Head Plug to
Module
Oil Sample Valve
COOLING SYSTEM
Metric Unit
English Unit
Thermostat
Component
30 N·m
22 lb·ft
Water Manifolds Bolts
30 N·m
22 lb·ft
Exhaust Gas Recirculation Cooler to Water
Manifold
20 N·m
15 lb·ft
Coolant Outlet Elbow
30 N·m
22 lb·ft
Water Pump Pulley
25 N·m
18 lb·ft
4
All information subject to change without notice.
Copyright © 2011 DETROIT DIESEL CORPORATION
12 15-10
12 15-10
3
Removal of the Oil Pan
Remove as follows:
1. Open the oil filter and cap.
2. Remove the drain plug and drain the engine oil.
3. Remove the dipstick.
NOTE: The oil pan dipstick tube adaptor cannot be removed from the oil pan or damage may occur.
4.
5.
6.
7.
8.
Loosen the dipstick tube on the oil pan. Refer to section "Removal of the Oil Dipstick Tube"
Remove the bolt at the harness P-clip on the front center of the oil pan.
Loosen the eighteen oil pan bolts. The bolts will remain installed to the pan.
Remove the oil pan, taking care not to damage the oil pump inlet pipe and screen.
Remove the oil pan seal and check for damage.
All information subject to change without notice.
12 15-10
Copyright © 2011 DETROIT DIESEL CORPORATION
5
4 Installation of the Oil Pan
4
Installation of the Oil Pan
Install as follows:
1. When a plastic oil pan is used, insert the raised lip portion of the seal into the groove in the oil pan. Press down on the
isolator seal and insert it completely around the oil pan. Be careful not to stretch or bunch the seal. For best results, install
the seal at each corner, then at points half way between the corners. Continue in this manner, halving the distance and
seating the seal.
2. For the aluminum oil pan, place the gasket on the top of the pan.
3. Reapply Loctite® 5970 or equivalent to the four corner squares in gasket.
4. Install the eighteen oil pan bolts and sleeve assemblies through the pan rail into the holes in the gasket.
5. Ensure the joint surfaces of the gear case, the cylinder block, and front cover are cleaned and there is no damage that could
prevent sealing.
6. Install the oil pan assembly in position on the cylinder block.
NOTICE: Bolt grade must be determined by a marking on the bolt head. Grade 8.8 oil pan bolts cannot be torqued
above 25 N·m (18 lb·ft) or damage to the bolt will occur.
7. Ensure that the seal has not been disturbed. Torque the eighteen oil pan bolt assemblies to the torque specified below,
using the proper sequence.
Oil Pan Bolt Tightening Torque
6
Bolt Size
Bolt Grade
Tightening Torque
M8
8.8
20-25 N·m (15-18 lb·ft)
10.9
30-35 N·m (22-26 lb·ft)
All information subject to change without notice.
Copyright © 2011 DETROIT DIESEL CORPORATION
12 15-10
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8.
9.
10.
11.
12.
13.
14.
Install the oil pan drain plug and torque the plug to 45 N·m (33 lb·ft).
Install bolt at harness P-clip on the front center of the oil pan.
Install the dipstick.
Install the oil filter and cap. Torque to 55 N·m (40 lb·ft).
If oil pump was removed,Refer to section "Installation of the Oil Pump, Oil suction Manifold, and Oil Lines"
Prime the lubrication system. Refer to section "Priming the Engine Lubrication System"
Refill the oil pan with lubricating oil. Refer to section "Engine Oil Capacities"
WARNING: ENGINE EXHAUST
To avoid injury from inhaling engine exhaust, always operate the engine in a well-ventilated area.
Engine exhaust is toxic.
15. Start the engine and inspect for leaks.
All information subject to change without notice.
12 15-10
Copyright © 2011 DETROIT DIESEL CORPORATION
7
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