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01—030 Removal and installation of engine (oil capacity)
 
     
 
Specified viscosity classes according to SAE
during lasting ambient temperatures
 
 
) SAE 40 may be used during lasting outside temperatures
2 above+30 °C (+86 °F).
) For engine oils identified on sheets 226.1 and 227.1 of
Specifications for Service Products with footnote '),
the following applies:
SAE 5 W-20 below+10 °C.
SAE 10 W—30 in temperate zones all seasons; i.e. up to
+30 °C.
SAE 15 W—30 in temperate zones all seasons.
' ) All-season oil.
 
     
 
Oil capacity in liters (for approved engine oils refer to Specifications for Service Products)
 
     
 
New filling (dry engine)
8.5'
 
     
 
Engine (total filling capacity)
 
     
 
With oil and filter change
8.0
 
     
 
) On vehicles with air-oil cooler 0.5 liter additionally.
 
     
 
Tightening torques
Nm
 
     
 
M 26
50
 
     
 
Oil drain plug of oil pan
 
     
 
M 12
40
 
     
 
Central screw — oil filter cover
Model 126
25
 
     
 
Attaching screw for oil filter lower part
Model 107
35
 
     
 
Special tools
 
     
 
Tester for cooling system
and radiator or expansion tank cap
001 589 48 21 00
 
     
 
Radiator cap with hose
for leak test
605 589 00 25 00
 
     
 
Adapter for checking radiator cap
in connection with tester
000 589 73 63 00
 
     
 
Conventional tool
 
     
 
Engine hoist size 1.5
e.g. Wilibar, D—5630 Remscheid
 
     
 
01.7-030/1 F3
 
     
             
       
     
 
Note
 
     
 
On model 126, raise engine hood into 90" position
ind engage left detent lever (arrow).
On model 107, remove engine hood.
Remove and install engine with transmission at an
inclination of approx. 45".
 
     
 
Removal
 
 
1 Drain coolant.
Caution!
The drain plugs (2) are arranged at the left and right
of the cylinder crankcase.
The lateral crankshaft bearing cap bolts (arrows)
should not be confused with the coolant drain
plugs.
 
 
2 Drain plug left
 
     
 
2 Drain plug right
 
     
 
2 On vehicles with air conditioning or automatic
climate control, these should be drained and hoses
disconnected at the pipe pair (arrow) (83-516).
 
     
 
01.7-030/2 F3
 
     
       
       
     
 
3                                                Remove radiator and fan.
4                                               Remove complete exhaust system.
 
     
 
5 Press control arm (4) off right ball head (only
model 107).
 
     
 
6                                              Evacuate power steering pump reservoir.
7                                               Disconnect pressure hose on power steering.
8                                             Disconnect all coolant, vacuum, oil, fuel and
electrical lines and other connections leading to the
engine.
9                                             Unscrew cable for TDC transmitter from diagnos
tic socket.
Remove screw (4) and pull out transmitter (3).
10                                                Disconnect control shaft.
 
     
 
11 Unscrew attaching screws (arrow) at left and
right of engine mount.
 
     
 
01.7-030/3 F 3
 
     
       
       
     
 
1 2 Remove engine shock absorbers left and right.
 
 
Model 107
 
     
 
13 Attach engine hoist cables to the lifting eyes.
 
     
 
14 Remove rear engine cross member or bulkhead
with engine mount.
1 5 Disconnect drive shaft from transmission.
16                                                    Loosen connections on transmission.
17                                                     Lift out engine at an inclination of 45°.
 
 
Installation
 
     
 
Caution!
When installing a new engine after a previous bearing
failure, carefully flush oil hoses, renew oil cooler.
Disassemble and clean oil damper.
18 Check engine mounts, coolant, vacuum, oil and
fuel hoses, renew if required.
 
     
 
01.7-030/4 F 3
 
     
       
       
     
 
Caution!
When installing the refrigerant compressor carrier
(steel version) it is important to ensure stress-free
assembly.
The carrier (steel version) must be checked for dis-
tortion. It must rest evenly on all contact points of
the cylinder crankcase without gap. This condition
should be checked before tightening the bolts.
 
     
 
The bolts must be tightened in the following
sequence:
a)                                    Install bolts (17, 6 and 5) finger-tight.
b)                           Tighten bolts (17) at engine front.
c)                                 Tighten bolt (6) and nut (5) at side of engine.
 
     
 
19                                                    Install and connect engine.
20                                                   Install rear engine mount without tension.
Tighten set screw with 30 Nm.
21                                                           Ensure that all drain plugs are tight.
22                                                     Fill in oils (exchange engines and overhauled
engines initial operation oil according to sheet 225.3
^Specifications for Service Products"), coolant and
refrigerant.
23                                                  Check cooling system with leak tester for leaks.
Check antifreeze capacity of coolant.
24                                                  Connect control linkage and check function.
25                                                Clean air filter and renew if necessary.
26                                                        Clean air cleaner and renew if necessary.
27                                                   Set idle speed and exhaust gas value
 
     
 
01.7-030/5 F3
 
     
       
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