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Mechanic Martyn
Mechanic Martyn, Mechanic
Category: Car
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Experience:  Advanced trade certificate in Automotive engineering
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1989 Isuzu Trooper: I change a freeze plug..idoling of the vehicle

Resolved Question:

How do I change a freeze plug in a 1989 Isuzu Trooper? And would it affext the idoling of the vehicle?
Submitted: 3 years ago.
Category: Car
Expert:  Mechanic Martyn replied 3 years ago.
Hello unless the engine is overheating it won't affect the idling.
Unless of course there is coolant spraying onto the ignition system.
The core plug change can be really seen best on youtube - there are some great videos on it.
However here goes.
You will need a hammer and a drift.
Drain the radiator into a bucket and dispose of the coolant in an environmentally friendly way.
Identify the leaking freeze plug ( i usually like to replace all of them)
Knock the freeze plug on the inside edge so it twists into the inside cavity. The plug will turn and you can lever it out or pull it out with pliers.
Coat the new plug with a sealant like shellac and knock it into place with a large socket inside it. Use care to make sure you get the plug perfectly straight into the block.
Reconnect and refil the cooling system making sure you add plenty of anti corrosion / anti freeze.

regards
Mechanic Martyn
Mechanic Martyn, Mechanic
Category: Car
Satisfied Customers: 978
Experience: Advanced trade certificate in Automotive engineering
Mechanic Martyn and 16 other Car Specialists are ready to help you

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