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g16b overheat
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Author:  zookbox [ Tue Nov 03, 2015 6:29 am ]
Post subject:  g16b overheat
Hi guys i have g16b in my sierra, got stuck last night and used the light bar to see what i was doin but turned off the electric fan while the eng wasnt running, finally got myself out then drove off and forgot to turn the fan back on :? , drove for about 10 mins with it idiling as well for probably 3 mins, next thing noticed and the gauge was about 120 125 degress c, so i jus turned the fan on and let it cool down slowly, i checked everything and it seems ok and runs ok. I know im a dumass n i should have a automatic switch which i will install now haha. But what are your thoughts would have that damaged it prematualy or will it be ok? Any help would be great
Author:  jdk81 [ Tue Nov 03, 2015 6:35 am ]
Post subject:  Re: g16b overheat
How much coolant was in there? Did it boil out?
120-125 isn't that much, and probably be ok, but g16s like to crack.

A vit viscous hub fan and a sierra shroud would be my preference
Author:  zookbox [ Tue Nov 03, 2015 6:44 am ]
Post subject:  Re: g16b overheat
Didnt seem to be boiling out, the overflow bottle is down to jus above min, i drove this morning and checked coolant and it wasnt oily and the oil is right level and doesnt seem to have coolant, do you think its still possible for a cracked head ? Thanks for the help
Author:  jdk81 [ Tue Nov 03, 2015 6:50 am ]
Post subject:  Re: g16b overheat
If the head or block has cracked it may take a bit of driving time to find out.

My sierra has a cracked g16 in it, it's been cracked for yonks and just weeps. I put jb weld on it a while back, not sure how well it worked.

My Baleno had a cracked head, I just kept an eye on coolant about once a week.

Most of the failures of the g16s are more annoying than anything else
It's not a deal breaker, even on a daily just keep an eye on coolant.
Author:  zookbox [ Tue Nov 03, 2015 7:16 am ]
Post subject:  Re: g16b overheat
Ok mate will keep an eye on it. Thanks for the help
Author:  Gwagensteve [ Tue Nov 03, 2015 7:55 am ]
Post subject:  Re: g16b overheat
jdk81 wrote:

A vit viscous hub fan and a sierra shroud would be my preference


And this.
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