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Message: <blockquote data-quote="pussy" data-source="post: 210595" data-attributes="member: 60">hmmn..okay let's do this one more time..i'll try to help you over the forum here. i list the down the checks and you fill up the blanks. even the when u open the cap next morning, there's pressure suggests that it good, but having bubbles ?ar eyou sure you are keeping the coolant tank level as by not over filling it? 1. radiator, did a leak test, check for leaks, check the plumbing? pressuretest leak?  2. hoses, the big return hose or known as the by pass hose from the block to the coolant tank reservior, the head hose, the trottle hoses, the #6 cylinder hose, the temperture solinoid hose, clamps. 3. since the clutch fan, waterpump, thermostat, all u have changed. 4. the tempreture sender sensor at the cylinder head, check them for faults, they can sometimes cause false readings to the ecu which can make your engine run hot. 5. is the O2 sensor working ? your plugs and coils fine ? is the sparkplugs correct gauge ? 6. is your block water jackets okay? no leak marks you have to see both left/right.  what i can say, if all the above you have check/changed and still no results, then there is only two solutions.. one: cheaper option, buy a radiator stop leak, contains copper seal compound, throw it into the water/ radiator, rev it for 20 minutes and drive for 1 week, it will plug whats causing the leak and will be good for years. two; you have a cracked head.. period. change it. best of luck.. this is how much i know by diagnosing your problems. regards.<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile    :)" loading="lazy" data-shortname=":)" /></blockquote>

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