MTU Detroit Diesel 183 Series Technical Publication page 555

Task Description
20-2470b Coolant Thermostat, Removal, Check and Installation
(Ship version 8/12V 183 T..2 with compact intercooler)
1 Elbow, left
2 Gasket
3 Hex screw M8x30
4 Hex screw M8x95
5 Washer
6 Link
7 O-ring
8 Thermostat housing
9 Screw-in restrictor
10 Hex screw M10x120
11 Washer
12 Thermostat insert
13 Sealing ring
14 O-ring 50x4
15 Threaded bush M18x1.5
16 Threaded bush M22x1.5
18 Plug M18x1.5
19 Plug M22x1.5
20 Sealing ring A18x22
21 Sealing ring A22x27
22 Link
23 O-ring
20080/1 E 98-12
replace.
replace.
with vent notch facing upwards.
replace.
replace.
secured with thread-locking agent
aux. No. 40 083
replace.
replace.
replace.
Group 20
Subgroup 2470b
Page 1