air condition SKODA OCTAVIA 1997 1.G / (1U) 1.8 92kw Engine Workshop Manual

Page 113 of 136

Downloaded from www.Manualslib.com manuals search engine Cooling System19
Edition 11.96


Removing and installing radiator
Notes:
Always replace seals and gaskets.
Lifting vehicle with lift platform page 10-1,
Removing and installing engine.
Special tools, testers and aids required Torque wrench 5...50 Nm (e.g. V.A.G 1331)
Wire
Removing
- Drain coolant page 19-3.
- Unplug connector of thermostatic switch
(F18) -1- and separate plug connections -2- and -3- at the fan shroud (press locking cat- ches).
- Detach coolant hoses at connection fitting of the radiator (pull off retaining clip).
Models with air conditioning
- Unscrew the 4 bolts -arrows- attaching the
condenser.
Important!
The refrigerant circuit of the air conditioning sys-tem must not be opened.
Note: In order to avoid damage to the condenser andalso to the refrigerant pipes/hoses, ensure that
the pipes and hoses are not over-tensioned,kinked or bent.

Page 115 of 136

Downloaded from www.Manualslib.com manuals search engine Cooling System19
Edition 11.96


Models with air conditioning
- Pull out radiator slightly together with conden-
ser.
- Detach clip -arrow- for attaching refrigerant
pipe.
Continued for all models
- Remove fan shroud (4 bolts).
Note: When removing and installing the fan shroud,ensure that the radiator ribs are not damaged.
- Carefully take out the radiator downward. Installing Installation is performed in the reverse order; pay attention to the following points:
- Tighten thermostatic switch -1- to
35 Nm.
- Fit on the brackets -2- and -3- at the radiator, as illustrated.
- Tighten the bolts for attaching the fan shroud and radiator mounts to
10 Nm.
- On models with air conditioning, tighten the bolts for attaching condenser and bracketsfor refrigerant pipes to10 Nm.
- Replace O-rings in the connection fittings of the coolant hoses.
- Insert drain plug for coolant.
- Fill system with coolant ⇒ page 19-3.
- Install headlights: ⇒ Electrical System; Repair Group 94; Re- moving and installing headlights
- Electrical connections and routing: ⇒ Current Flow Diagrams, Electrical Fault Finding and Fitting Locations binder

Page 125 of 136

Downloaded from www.Manualslib.com manuals search engine Fuel Supply System20
Edition 08.96



Testing fuel pump
Special tools, testers and aids required
Hand-held multimeter (e.g. V.A.G 1526)
Wrench for union nut (e.g. MP 1-227)
Adapter cable set (e.g. V.A.G 1594)
Current flow diagram
Test conditions
Holding pressure o.k.; testing:
1.8 ltr./92 kW Engine, Motronic Fuel Injection and Ignition System; Repair Group 24;
Testing fuel pressure regulator and holding pressure
Battery voltage at least 12 V
Fuse 28 o.k.
Fuse filter o.k.
Test procedure
- Switch on ignition. The fuel pump should be heard to operate. (A second mechanic may be required if there is a high level of surrounding noise) If the fuel pump does not run:
- Switch off ignition.
- Connect remote control V.A.G 1348/3A with adapter cable V.A.G 1348/3-2 page 20-8.
- Operate remote control.If the fuel pump runs:
Test fuel pump relay: 1.8 ltr./92 kW Engine, Motronic Fuel Injection and Ignition System; Repair Group 24; Servicing Motronic fuel injection system; testing fuel pump relay and actuation