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Posted by Andy Macfadyen on 7/3/2005, 2:16 am, in reply to "Freelander losing coolant - no power loss or water in oil." Don't change the head gasket (yet) The most likely source of the leak is the inlet manifold gasket, If ignored it will destroy your cylinder head gasket. It is a rubber gasket and shrinks over time. Rover introduced a modified "green" gasket (which your vehicle should already have) modified studs and a revised tightening procedure . This was however only a partial cure and the gaskets have a life of about 4 years and should be changed as a service item. It only takes about 30 minutes to change he gasket however it may take much longer than this to bleed any trapped air out ther cooling system. The inlet manifold is unbolted the contiuous air bleeder fitting on belt end of the manifold should be cleaned out and alsdo the pipe fitting at the rear of the thermostat should be examind for leaks as the the "O" ring which seals it is known to cause slight leaks after a few years service. USE ONLY THE CORRECT COOLANT FOR YOUR VEHICLE -- two typeswere used by Rover Glycol based (black labled on colant tank filler) and OAT (Yellow lablel n coolant tank filler) THEY MUST NOT BE MIXED, and coolant type can only be changed after a full flush with an acid based cleaner.
******IMPORTANT********
DON'T PUT BARR'S LEAKS, STOPLEAK, RAD WELD OR ANY OTHER COOLANT LEAK STOPPER NER IT.
Read the Rover K16 workshop manual before doing this particularly Rovers revised coolant bleeding instruction for the K16 engine.
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