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93 Chevy Z71 heitates, now dies when door is shut


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lesgohuntn
User

Sep 26, 2015, 3:02 PM

Post #26 of 28 (396 views)
Re: 93 Chevy Z71 heitates, now dies when door is shut Sign In

OK on the door hinges, Thanks
I have another issue right now with an overheating engine, that I just flushed cooling system, replaced thero. and rad. cap. I've got to do some more checking to do, but, if I need help, do I need to bring up another thread, or continue here?


kev2
Veteran
kev2 profile image

Sep 26, 2015, 3:16 PM

Post #27 of 28 (388 views)
Re: 93 Chevy Z71 heitates, now dies when door is shut Sign In

My thought - after 10 months and 26 posts I suggest A new thread.

was there an issue before flushing?
be sure system is full no air, correct press cap, no blockecd off heater hoses, serpentine belt routing OK, correct thermostat, installed right, then on to the new post with the info....PS we love details it really helps....


Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Sep 26, 2015, 3:21 PM

Post #28 of 28 (388 views)
Re: 93 Chevy Z71 heitates, now dies when door is shut Sign In

Slight chance overheat related so OK to stay here and should be quicker.


When? Was it overheating before or only after flushing? If both times and no change is it really reading correct temp? Does top hose wait from cold and warm up when t-stat opens at all - also heater work?


If after it's usually just not really full yet and air still in system - Chev V8 shouldn't be a horror to fill. Run till new t-stat opens watch level drop with cap off even and just fill and watch. Then cap back on and reservoir filled and run again till you feel fan blowing heat off radiator shut it down and let cool. Check level at radiator cap again as many cycles as it takes.


Reasons for this include bad info on gauge, possible bad new thermostat, weak as in VERY weak fan clutch which requires special tool to replace. When radiator is blowing warm to hot air thru it should grab and pull air thru well. IDK, some will let them get hot and spin by hand (duh - engine off) and see fan not coast but stop quickly.


Since this truck has whacked issues if you use pure antifreeze and it's pretty dang hot where you are it wont cool engine well. Try hard not to exceed 50/50 antifreeze + water. Pure antifreeze (makers hate to tell you) suks as a coolant by itself!


Just FYI and if you can check with infrared thermo the housing of thermostat should be pretty close to the rating of thermostat which I think is around 195F or so. Always use OE spec temp rated thermostats.


Touch and feel carefully and air out then go from there if not right and credible that it's really overheating. If boiling clue is heater will quit blowing hot air! Don't ask, just believe me!


Tom







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