This tutorial is also available in French
➔
Radiator change on Austin Mini
Vehicle ➔ Mini 1000 am1991 automatic gearbox
Difficulty ➔ Easy
Time ➔ 2 hours
Summary
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When you change the radiator, remember to also change the radiator cap. Its seal tends to deteriorate over time.
Also check the hoses and silent blocks. If you detect cracks, don't hesitate. Replace them.
Required Tools
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Packaging :
•
GRH1001M: The radiator overflow hose is sold by the meter.
• The other parts above are sold individually.
• The other parts above are sold individually.
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Remove the radiator
Op 01
Remove the grille (➔ see the tutorial ''Removing the grille'' Op 01 to 04).
Once the grille is removed, the front radiator mounting bolts will be much easier to unscrew.
Op 02
Drain the cooling system (➔ see the tutorial ''Draining the cooling system'' Op 01 to 05).
Op 03
Loosen the 2 clamps securing the upper hose. Use a 7 mm socket spanner (or 8 mm depending on the clamp).
Op 04
Remove the upper hose. Pull firmly by hand.
Op 05
Remove the 2 bolts from the upper bracket on the radiator side. Use the 11 mm socket spanner.
Op 06
Remove the 2 bolts from the upper bracket on the thermostat side. Use the 11 mm socket spanner.
Op 07
Remove the upper radiator bracket.
Op 08
Disconnect the radiator overflow hose. Pull firmly by hand.
You can leave the overflow hose on the radiator housing (it is fixed there by 2 clips). It will not hinder the removal of the radiator.
Op 09
Unscrew the 2 rear mounting bolts of the radiator. Use the 3/8'' combination spanner.
Op 10
Unscrew the 2 front mounting bolts of the radiator. Use the 3/8'' combination spanner.
Op 11
Remove the radiator from its housing. Pull firmly upwards.
Op 12
Unscrew the 2 mounting bolts of the radiator housing. Use the 13 mm socket spanner.
Op 13
Remove the radiator housing.
Op 14
Remove the spacers and silent blocks from the upper radiator bracket. They come off very easily by hand.
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Reinstall the radiator
Op 15
Fit 2 new silent blocks (11G227) as well as the 2 spacers.
The silent blocks are flexible. They are easily positioned by hand.
Op 16
Change the 2 radiator overflow hose clips (ARA951).
They are easily removed by hand or with a small screwdriver and fitted by pressing with your thumb.
Op 17
Fit the radiator housing.
Screw in the 2 mounting bolts with their washers (GFK1125). Use the 13 mm socket spanner.
Op 18
Fit the radiator (ARP2000).
Screw in the 2 front mounting bolts and the 2 rear mounting bolts. Use the 3/8'' combination spanner.
Op 19
Fit the radiator overflow hose (GRH1001M).
Push the hose onto the overflow pipe at the top of the radiator. Push firmly by hand.
Clip the hose onto the 2 clips on the side of the radiator. Push with your fingers.
Op 20
Fit the upper radiator bracket with its 2 bolts on the radiator side and its 2 bolts on the thermostat side.
Op 21
Tighten the 2 bolts on the radiator side and the 2 bolts on the thermostat side. Use the 11 mm socket spanner.
Check the tightening of the 3rd thermostat housing bolt.
Op 22
Check that the length of the new top radiator hose (GRH245) is identical to the old one.
If necessary, reduce the length of the new hose. Use a cutter.
Op 23
Engage the upper hose on the radiator. Push firmly by hand.
Fit the 2 clamps (GHC811) on the hose. Leave them on stand-by without tightening them for now.
Op 24
Engage the upper hose on the thermostat housing. Push firmly by hand.
Fit the 2 clamps in their final locations and tighten them. Use the 8 mm socket spanner.
Op 25
Fit the clamp (GHC811) on the lower hose without tightening it.
Engage the hose on the radiator. Push firmly by hand.
Op 26
Fit the mounting clamp in its final location.
Tighten the clamp. Use the 8 mm socket and several extensions.
Op 27
Slowly fill the radiator with coolant.
Reinstall the radiator cap.
Take the opportunity to install a new radiator cap (GRC1110).
Op 28
Run the engine for a few seconds to circulate the coolant.
Op 29
Stop the engine and top up the coolant.
Op 30
Reinstall the grille (➔ see the tutorial ''Removing the grille'' Op 05 to 06).
The End
