Opel Frontera UBS. Manual - part 1295

ENGINE COOLING 6B – 9

RADIATOR

REMOVAL

Preparation

•

Disconnect battery ground cable.

•

Loosen drain plug to drain coolant.

1. Radiator Hose

•

Disconnect lower hose and upper hose from the
engine.

2. Fan Guide Lower

•

Remove clips on both sides and the bottom lock.

3. Reservoir Tank Hose

•

Disconnect the hose from radiator.

4. Bracket

5. Radiator Assembly

•

Remove upward the radiator assembly with hose,
taking care not to damage the radiator core by fan
blade.

•

Remove cushion rubbers on both sides of the
bottom.

INSPECTION

Radiator Cap

•

Measure the valve opening pressure with the radiator
cap tester. Replace the radiator cap if it exceeds the
standard.

Check the condition of negative pressure valve in the
center of valve seat side of the cap. If the valve seat
does not move smoothly due to rust or dust, clean or
replace the radiator cap.

Valve opening pressure 

93.3 – 122.7 (0.95 – 1.25/13.5 – 17.8)

kPa(Kg/cm

2

 / psi)

6B – 10 ENGINE COOLING

Radiator Core

•

Deformed radiator fins could reduce radiation effects,
resulting in overheat. Straighten the fins. In such a
case, take care not to damage the fin roots.

•

Remove dust and other foreign materials.

Flushing the Radiator

•

Wash the inside of radiator and the coolant passage
with water and neutral detergent. Remove all scales
and rust.

Checking for Coolant Leakage

•

Check the cooling system for leakage with the radiator
cap tester by applying 196.0kPa (28.4 psi) air pressure
from filler neck to inside the radiator.

INSTALLATION

5. Radiator Assembly

•

Install cushion rubbers on both sides of radiator
bottom.

•

Install radiator assembly with hose, taking care not
to damage the radiator core by a fan blade.

4. Bracket

•

Support the radiator upper tank with the bracket
and fix the radiator.

3. Reserve Tank Hose

2. Fan Guide, Lower

1. Radiator Hose

•

Connect inlet hose and outlet hose to the engine.

•

Connect battery ground cable.

•

Pour coolant

•

Pour coolant up to filler neck of radiator, and up to
MAX mark of reserve tank.

•

Start engine to warm up, and check for coolant
level. Replenish coolant if it does not reach the
radiator filler neck, and tighten the cap completely.

ENGINE COOLING 6B – 11

DRIVE BELT ADJUSTMENT

INSPECTION

Check drive belts for wear or damage, and replace with
new ones as necessary. Check belts for tension, and
adjust as necessary.

•

Check drive belts tension

•

Push the middle of belts with a force of 98 N (10 kg/22
lb) and check each bolt for deflection.

•

Standard deflection

AC generator & fan pulley
drive belt

Initial

tension

Tension at

readjustment

8~12 (0.31~0.47)

A/C compressor drive belt

7~12

(0.28~0.39)

5~8

(0.20~0.31)

 mm (in)

P/S pump drive belt

13~16 (0.51~0.63)

6B – 12 ENGINE COOLING

TENSION ADJUSTMENT

P/S oil pump and A/C compressor pulley belt.

•

With P/S pump lock bolt loose, adjust belt tension
with adjust belt.

Cooling fan pulley belt

•

With AC Generator mounting and lock bolts loose,
adjust belt tension with adjuster's adjust bolt.

AC generator fixing bolt

40 (4.1/30)

Torque Standard

N·m(Kg·m/lb·ft)

Adjust plate fixing bolt

24 (2.4/17)

Adjust plate lock bolt

19 (1.9/14)

P/S oil pump adjustor lock bolt

37 (3.8/27)