Quote:
Originally Posted by mannyls
Joegr, thanks for the reply.
How do I go about pressure testing the cooling system and performing a coolant flush? Is there a proceedure somewhere I can find?
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You can pick up a pressure tester pretty cheap, but you'll have to get a specific adapter for your LS. The idea is to pump it up to 15 PSI and see if it holds at 15 PSI for at least ten minutes.
You can do a flush by hand using a garden hose, but that's not very environmentally sound, and if you used too much pressure you will damage the water pump and some other stuff. It'd be better to pay up and have it done somewhere. A dealer or a good shop would probably be willing to do the pressure test at no extra charge if you have the flush done there.
If you do any of this yourself, you do need to know the correct way to bleed the cooling system. Here that is.
http://deneau.info/ls/s6x~us~en~file...tm#extract_142
Other info...
Machine flushing.
http://deneau.info/ls/s6x~us~en~file...tm~gen~ref.htm
Pressure test.
http://deneau.info/ls/s6x~us~en~file...tm#extract_133