Cooling Problem

2008 MAZDA 3
84,791 MILES • 2.0L • 4 CYL • FWD • MANUAL
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GERHARD84
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  • 4 POSTS
Hi there
My car blew headgasket and we replace it ,but the car stil overheats . My heat says running temp but car overheats . I then changed the thermostat and same prob . I then bought a new engine cooler temp sensor , but now the fan goes on and temp gauge shows high when engine is cold . Just before you start the car , when on the heat gauge so high . Went back and got a other sensor and does the same .
Don't know what to do anymore

Regards
Gerhard Bergh
P.s Happy new year !!!!!!!!!!
Jan 1, 2016 at 2:53 AM
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JOHNNYT73
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  • 924 POSTS
Are you sure that you are burping all the air out of the cooling system?
Jan 1, 2016 at 5:22 AM
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GERHARD84
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Yes I have done that aswell
Jan 1, 2016 at 5:26 AM
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JOHNNYT73
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What was the condition of coolant originally? Was it filled with debris and rust?
Jan 1, 2016 at 5:38 AM
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GERHARD84
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The coolent was clean and no rust or debris
Jan 1, 2016 at 11:19 PM
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GERHARD84
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Hi guys

Just wanted to hear , can you skim a madza 3 head or do you have to buy a new head. After skimming the head the timing chain is a bit loose , so is there a way to put more tension on the chain or must I buy a new head like mazda tech insist ?? And still got the cooling prob ??
Jan 11, 2016 at 12:11 AM