Question about 1989 Mazda 626

1 Answer

Car overheating how do i know if its radiator,water pump or something else

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  • locovida79 May 04, 2010

    Fan is coming on in a timely manner - i have taken out the thermostat to see how it goes, might give me an indication of whether the thermostat is the problem....
    Thanks for taking the time to try and help me with my problem...

  • locovida79 May 04, 2010

    It seems as if when idle the the car is ok and not overheating - soon as you press the accelerator and hold for a while it seems to then start overheating, and temp climbs.
    will see how i go now without the thermostat

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  • Master
  • 2,317 Answers

The best place to start would be the thermostat, also verify that the cooling fan is coming on in a timely manner.

Posted on May 04, 2010

Testimonial: "Thanks for taking the time to give me a possible solution to my problem. Much appreciated. I definently will look at those things."

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Posted on Jan 02, 2017

  • 208 Answers

SOURCE: 1997 bmw z3 conv. 1.9 overheated, changed

hi jasso, I would recommend checking the water pump if you see no flow in the radiator. Make sure when you fill up the cooling system, that you fill it cold, and that the vent screw in the radiator is loose. fill system until fluid comes out the vent screw. tighten the screw, start the car and have someone run at 1500rpm and check for flow.also, make sure that you have your temp setting full hot and blower on middle speed so that you don't trap air in the heater core.

Posted on Apr 05, 2009

  • 19 Answers

SOURCE: overheating

you might have a blown head casket try due a pressure test on each cylinder and sometimes you can take a spark plug out 1 by 1 and just tap the ket so it cranks and see if water comes out of the cylinder

Posted on May 21, 2009

  • 131 Answers

SOURCE: 1992 325is BMW radiator/overheating problem

if it is just a hose or tube that is easy to change, do it yourself to save you from spending a lot of money on install. you can pick the part up from auto zone, pepboys, napa etc.... if it looks to hard for you to do yourself, get the haynes manual for that year car, they sell that in those to, they have step by step instructions on how to repalce almost everything on the car, and where the locations are of other things that may need replacing also... that should help you out a lot... if you have any problem repost or email me and i will help you out... take care..

Posted on Jun 11, 2009

beduncan
  • 73 Answers

SOURCE: 2004 Pontiac Grand Prix OVERHEATING!!!

Have you shop perform a "leakdown test." You probably have a bad head gasket )or a leak in the gasket).

Posted on Aug 06, 2009

  • 1 Answer

SOURCE: 1999 kia sportage overheating

go here ttp://www.kiatechinfo.com/default.asp

Posted on Oct 02, 2009

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Overheating 97 Lincon Town car


Connie, Were the radiator,water pump and thermostat replaced to try and fix the over heat issue or as maintenance. Engine overheating can be caused by a lot of things, Leak in cooling system, air in system, bad rad. cap, slipping belt, faulty thermostat or installed upside down, faulty water pump, plugged radiator (inside/outside), collapsing rad hose, faulty cooling fan, leaking head gasket, sludge plugging engine water passages, poorly tuned engine, etc..
Take into a good shop for diagnoses and estimate for repair. Check the attached links,instruction and guides, Good luck
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."
How to Troubleshoot an Overheating Engine
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My car overheats very easy.i can drive 1 exit on the highway and the temp goes up very fast. i dont know what it could be. there is always fluid in the reserve area and doesnt seem to be getting low or im...


COULD BE THERMOSTAT IF TOP RADIATOR HOSE IS NOT HOT AND BOTTOM RADIATOR HOSE GOING TO WATER PUMP IS HOT THE THERMOSTAT STICKING PARTIALLY CLOSE.IF TOP HOSE IS HOT THE RADIATOR,ENGINE BLOCK HEATER CORE NEED FLUSHING OUT.IF WATER PUMP WEEP HOLE LEAKING REPLACE WATER PUMP, FAULTY WATER PUMP WILL CAUSE ENGINE TO OVER HEAT.REPLACE RADIATOR CAP MAKE SURE YOU HAVE 50 / 50 MIX SOLUTION ANTIFREEZE AND WATER IN COOLANT SYSTEM. IF ALL LOOKS GOOD CHECK ENGINE OIL ON DIP STICK, IF OIL IN DIP STICK LOOK LIKE MILKSHAKE YOU HAVE BLOWED HEAD GASKET THAT WILL CAUSE ENGINE OVERHEATING WHILE DRIVING CAR IN SHORT DISTANCE AND ENGINE OVERHEATING.

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1999 Jetta 2.0 is overheating only on trips over 20 miles of highway driving. Checked the water pump and it is fine. Seems that the water isnt circulating through the radiator to cool off, the water boils...


so there is block in the radiator. does the water overflows from radiator mouth? then you have to give your radiator to nearest radiator service centre, clean it! cost you around 50$ or something! better give the vehicle to a recognised garage and check any gasket are worn out. better make it fast, if you run your vehicle with overheat, you know what will happen! Thanks

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Took out the thermostat, replaced the radiator, the water is circulating in the radiator but it is still running hot. what do i do next?


Overheating can seriously damage a car's engine if left unchecked. Although overheating simply means that a car's engine temperature exceeds normal operating temperatures, the causes of overheating are varied. What follows is a brief list of some of the most common causes of engine overheating.

    Faulty Radiator
  1. A car that overheats will often have a faulty radiator. A radiator is responsible for cooling hot engine coolant that picks up heat from inside a car's running engine. A radiator "radiates" the heat from engine coolant out into the outside air. A faulty radiator loses its "radiating" effects and allows engine coolant to become overheated, thus rendering it ineffective at adequately cooling and engine.
  2. Faulty Water Pump
  3. A faulty or malfunctioning water pump prevents adequate engine coolant flow and can cause a car to overheat. A water pump serves to pressurize and propel engine coolant throughout a car's engine and radiator to increase the heat-reducing capabilities of engine coolant. A faulty water pump loses its ability to adequately pump and propel engine coolant, and can cause a car to overheat.
  4. Coolant System Leaks
  5. A leaky engine coolant system reduces the level of circulating engine coolant, which increases engine temperature and leads to engine overheating. Radiators, water pumps, and coolant system hoses and seals--all of these coolant system parts can develop leaks, which can result in low coolant levels and engine overheating.
  6. Faulty Thermostat
  7. A car thermostat regulates the flow of engine coolant. A thermostat is a heat-sensitive valve that opens when a car engine reaches a set operating temperature and closes when a car engine is cold and warming up. If a thermostat gets stuck in the closed position, coolant will be prevented from reaching the engine, which will quickly lead to engine overheating and potential engine damage.
  8. Low Engine Oil Level
  9. Engine oil, in addition to lubricating an engine's internal parts, helps to keep engine operating temperatures reduced by eliminating friction within the engine. If engine oil levels are low, friction and heat build up inside an engine, a condition that causes increased engine operating temperatures and can lead to engine overheating.

Jan 15, 2011 | 1998 Isuzu Rodeo

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OUR 2006 BMW 530XI KEEPS OVERHEATING.WE REPLACED THE THERMOSTAT AND IT'S STILL OVERHEATING. THE MECHANIC WAS GOING TO BLEED THE SYSTEM BUT I DON'T KNOW IF THAT WILL HELP.DO YOU THINK IT'S THE WATER PUMP OR...


2006 bmw 530xi have a electric water pump (next to the thermostat). Common to go bad. There should be no heat in the car and "overheating" pops up. Electric water pump $495.00

Dec 02, 2010 | BMW 530 Cars & Trucks

3 Answers

1998 nissna maxima , with radiator replacement car continues to overheat, with low to no heat


First, make sure engine is warmed up, then feel the top of the radiator hose, is it hot ?, if not then you may have a bad thermostat, replace with a 195 dgree, or you could have a bad head gasket.
Let me know what you find.

Feb 06, 2010 | 1998 Nissan Maxima

1 Answer

My car is overheating and i need to know how to put in the water pump?


Is the water pump leaking coolant? If not, then why do you think it's bad?

If the engine is overheating, there are several other things to look at before you consider the replacing the water pump.

Are the fans electric motor driven, or fan belt driven? If fan belt driven, replace the fan clutch. If electric motor driven, check the fan control module and/or fan motors to make sure all is good there. Fan control module tend to fail in weird ways, so if nothing is wrong with the motors, replace the module.

Always, always, replace a thermostat that has overheated. Once overheated, they consistently fail. Make sure you properly refill the radiator with coolant after the stat is changed.

Check that the bottom radiator hose does not collapse.

Check the radiator for corrosion. Boil the radiator out, or have it done, or replace the radiator.


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1 Answer

Radiator overheating


The only thing missing from your narration is the water pump. Check to make sure that you are not losing coolant from the water pump. Make sure it is not leaking coolant. If there is evidence of leaking, the water pump is bad. You must take extreme caution when dealing with the cooling system (hot liquid under pressure; not a pleasant thought), but you can remove the radiator cap and start the engine. Check the coolant in the radiator for movement/circulation. If the water pump is functioning properly, there should be some visible sign of water/coolant circulation. The water pump may not be at fault, but with the other upgrades you made to the cooling system, some gunk (for lack of a better word) may have broken loose and clogged the ports in the water hose. You can also remove the hose at the water pump and check for anything clogging up the works. Really sorry for your trouble and I hope this helped. Best wishes.

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FIRST OFF,YOU NEED TO ASK YOURSELF,IS IT OVERHEATING OR COULD IT BE A FALSE READING ON THE DASH.JIM

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