[pors968]

I'm looking for step-by-step procedure for Coolant Flush and Heater Control Valve(HCV) replacement . I did a search and there is lots of discussion on these topics and none which says step-by-step.



Following Writeup will be great:



* How to do coolant Flush (Replace entire coolant).

* How to replace Heater Control Valve (HCV).

* How to bleed coolant.



Thanks in advance,

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[BigL2U]

I have just recently perform this service when my lower radiator hose ruptured.



In addition to the post you've read, the owners manual has directions for how to fill and bleed the system when you're ready to but it back together. It's really straight forward.



The HCV is pretty easy to get at from the top of the car if you remove the oil filter.



There is a drain plug on the bottom driver's side of the radiator. If you decide to use one of those flush and fill kits then be sure it's safe for aluminum radiators. Also use a phosphate free coolant and distilled water to recharge the system.



It took me 30 minutes to do mine and that includes bringing the car up to temperature to bleed it and removing/re-installing the bottom engine cover.



Good Luck

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[flash]

after recent discussion on this, with some people who learned the hard way, the first thing to do is go down to the dealership and order the drain plug, its washer, bleed screw and its washer - keep them as spares if you don't screw yours up, but they are known to get mangled

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[ether_joe]

It's a plastic plug. Be ready for it to break off and having to drill through the plastic to get it out. Been there done that. <img src="/forum/images/smilies/968/sad.gif" class="smilie" alt="" />



just replaced it with a standard metric bolt and some of that liquid thread sealer. So far so good.

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