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Why is my ex 30 over heating

I have replaced raditor,new larger oil cooler injectors done but still over heats when worked hard,if i turn on the heating fan and open the bonnett it runs much cooler

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  • Cars & Trucks Master
  • 14,036 Answers

Coolant temperature sensor could be faulty because cooling fans should turn on at 190 degrees and make sure cooling system has the right amount of coolant in the cooling system.

Posted on Jul 15, 2013

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

localwonder
  • 6784 Answers

SOURCE: my 2000 buick century is over heating fans are

Hi, these are two separate issue here.

The abnormal shift is isolated within three ares. i would suggest checking the transmission fluid level first to make sure of the proper level. if its low, you will experience Miss shifts of this nature. if the fluid level is sufficient, i recommend moving your inspection to the TCM(transmission control module). this is the control module that initiates the correct shifting intervals and it relays the actual shift signal to the shift solenoids located inside the transmission pan. if the module is malfunctioning, it will affect the shift patterns dramatically. If the module is in good condition, i would then move on to the actual shift solenoids themselves.

These devices preform the engaging of the gears within the transmission as stated above. if this device is not working or is malfunctioning, it will affect the way the transmission shifts. If you have not preformed a proper transmission flush and have not changed the filter for a while, it would help if this maintenance was initiated soon if possible.

Now, concerning the overheating issue. if the fans are running in a correct manner, this will most likely point to a faulty water pump or an faulty thermostat that may be froze(stuck in position not allowing proper water flow). the most common fix will be to preform a radiator flush. during this flush, if you notice a rusty water flow and tiny metal fragments running out the radiator, this will confirm extreme radiator damage to the inner coils and it will have to be replaced or rebuilt. I would recommend flushing the radiator and testing both the water pump and thermostat for there operational value.

Please rate and god bless:)


Posted on Apr 27, 2009

emissionwiz
  • 74945 Answers

SOURCE: No heat. Fan blows cold air.

I think u may have an air temperature control blend door problem, the door is moved by a small electric motor, it is stuck in the cold position.

Posted on May 12, 2009

  • 2 Answers

SOURCE: runs hot replaced radiator fan motor and heat sensor, fan still won't run

I own a 1997 caravan and had the same problem, turns out there is a fan relay switch mounted on the inside of the drivers side frame rail under the battery tray.. cost me 80.00 hope this helps..

Posted on May 15, 2009

  • 113 Answers

SOURCE: 1996 audi a4, no heat.

Sounds like your thermostat is sticking open, when this happens your coolant in your engine isn't given enough time to warm up and just cycles threw to your radiator, which cools the fluid not allowing it to get warm/hot. Thermostat tend to go bad, this is most likely your issue, just have your thermostat and gasket for your thermostat replaced too. Your looking at about 10 dollars in parts maybe 20 dollars in labor! If this helped give me a thumbs up please!

Posted on Oct 07, 2009

  • 1024 Answers

SOURCE: 2004 Honda Ex - fan for a/c and heat doesn't blow air

check the fuse
if it's good then your blower motor is bad

Posted on Mar 08, 2010

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2007 Pajero VRX, new radiator, new solenoid, new thermostat, clutch fan fluid, egr valve and it is overheating when towing the caravan.


with that many miles on the clock, the engine will be working over time to do the job
Auto transmissions have an oil cooler in the radiator tank and if the transmission is having trouble coping with the load of the caravan and the speed at which you are travelling, that extra transmission heat will only add to the engine overheat problems
One way to overcome that is to have a transmission specialist shop install an air cooled transmission oil cooler
They allow the transmission to run cooler as the system is cooled by passing air rather that heated engine coolant and the radiator is no longer trying to cope with the additional hot transmission oil
it is possible to get thermostats that open earlier than normal specs and have a larger valve opening that has less restriction on coolant flow when fully opened
Talk with specialist radiator shops

Mar 10, 2017 | Cars & Trucks

1 Answer

What would cause the hydraulic cooling fans fluid to leak out when i drive the car and my car overheats and how can i fix it with hardly any money to my name?


the problem is most probably a failed oil cooler in the radiator tank
this allows oil into the cooling system that causes the engine to over heat
you can buy quality radiator/ block cleaner and flush the system yourself but the fix is to replace the radiator tank with the oil cooler inside
blocking off the lines will only cause transmission over heating
the only cheap option is a good radiator from a wreckers as replacing the tank can be almost as expensive as a new radiator
ring around and get prices that are close to what you can afford and make a decision from there

Apr 25, 2016 | Cars & Trucks

1 Answer

How to replace oil; cooler on this year


  • Service and Repair
Oil Cooler Replacement

Removal Procedure

  1. Raise and support the vehicle. Refer to Vehicle Lifting.
  2. Drain the engine oil and remove the oil filter housing.
89116492

  1. Loosen the oil cooler outlet (1) and the inlet (2) lines from the engine block.
  2. Lower the vehicle.
  3. Remove the intake plenum.
  4. Remove the intake manifold.
89116493

  1. Disconnect the following electrical connectors from the water crossover:
    • The engine coolant temperature sender (2)
    • The engine coolant temperature sensor (4)
84936658

  1. Remove the water crossover bolts (1).
  2. Remove the water crossover upper and lower seals (2).
84942881

  1. Loosen the upper heat shield bolts on the left side of the exhaust manifold.
89116496

  1. Remove the oil cooler outlet line from the engine oil cooler.
  2. Remove the oil cooler inlet line from the engine oil cooler.
84942883

  1. Note the positioning of the 4 seals.
84972057

  1. Position the oil feed and return,lines out of the way and secure with mechanic wire.
  2. Remove the engine oil cooler, inlet and outlet nuts (1).
  3. Remove the engine oil cooler cover bolts (2).
84942883

  1. Remove the engine oil cooler cover.
  2. Remove the engine oil cooler.
  3. Clean all sealing surfaces.
Installation Procedure
84972056

  1. Install the engine oil cooler.
  2. Apply a 2 mm (0.08 inch) bead of RTV silicone sealant, GM P/N 12346240, in the groove around the engine oil cooler cover.
  3. Install the engine oil cooler cover.
Notice: Refer to Fastener Notice in Service Precautions.
84972057

  1. Install the engine oil cooler cover bolts (2). Tighten the engine oil cooler cover bolts to 30 Nm (22 ft. lbs.).
  2. Install the engine oil cooler inlet and outlet nuts (1). Tighten the engine oil cooler inlet and outlet nuts to 20 Nm (15 ft. lbs.).
  3. Reposition the oil feed and return lines.
84942883

  1. Install the oil cooler outlet and install the oil cooler inlet lines to the engine oil cooler. Use 4 new seals.
Tighten the oil feed and return lines to 30 Nm (22 ft. lbs.).
84936658

  1. Install the water crossover:
    • Position the crossover.
    • Install the upper and lower seals (2).
    • Install the water crossover bolts (1). Tighten
Tighten the water crossover bolts to 30 Nm (22 ft. lbs.).
  1. Connect the electrical connectors at the following locations:
    • The engine coolant temperature sensor (4)
    • The engine coolant temperature sender (2)
  1. Install the intake manifold.
  2. Install the intake plenum.
  3. Raise the vehicle.
89116492

  1. Install the oil cooler outlet (1) line to the engine block. Tighten the oil cooler outlet (1) line to 30 Nm (22 ft. lbs.).
  2. Install the oil cooler inlet (2) line to the engine block. Tighten the oil cooler inlet (2) line to 30 Nm (22 ft. lbs.).
  3. Install the oil filter housing to the engine block. Tighten the oil filter housing to 45 Nm (33 ft. lbs.).
  4. Lower the vehicle.

Dec 22, 2014 | 2001 Cadillac Catera

1 Answer

Will a auto transmission cooler from a ED falcon fit an EF falcon


If it is in the radiator it should as the fittings are the only problem you are likely to encounter. If you are wondering if the cooling capability is affected consider this . Hot tranny oil has to be cooled in the radiator water and this heat makes the radiaror work hard.Why don"t you consider a external cooler. They keep the oil cooler as they are are running in the outside air. Ie air temp 30 deg C oil temp 150c+ water temp 85degC oil temp 150c. You can see that the tranny oil looses more heat and it will not overload the radiator capability

Jan 26, 2013 | Ford Cars & Trucks

1 Answer

Engine hot, oil dip stick too hot to touch gages all fine no problems with it just got raditor flushed thought that was the problem


Your dipstick is supposed to be hot. The oil runs over the hot mechanisms and back into the pan and cooler oil cycles through again. The warmer your engine the better it will run. ( don't want it to overheat though) my car runs about halfway between the middle and three fourths mark on the thermostat. And it runs great. Hope this helps!:)

Sep 21, 2012 | 2007 Pontiac Grand Prix GXP Sedan

1 Answer

Why does my power stering pump boil over after a race


The fluid is getting to hot, install a cooler in front of the raditor. Many trucks use these cooler, any oil cooler will work, tie into the low pressure (return) line.

Jun 22, 2012 | Buick Regal Cars & Trucks

1 Answer

My transmission temp and over drive light comes on on my jeep grandcherokee 2000. what can i do?


Hi transmission problems on WJ and onwards model jeeps seem to be a large problem here in australia. generally they dont like excessive heat. First thing i would do is get your transmission serviced and a diagnostic check done to find out whats causing the trouble codes to bring those lights up on your dash. secondly if you live a warm climate i would consider upgrading to a larger transmission cooler, (a large oil cooler will do the job if installed correctly provided its rated to the pressure) heat kills transmissions and that is what sounds like your problem is.
cheers hope it helps

Jan 11, 2011 | 2000 Jeep Grand Cherokee

1 Answer

98 pontiac firebird v6 3.8 liter, keeps overheating and i replace all cooling sytem parts.


When you said you replaced all the cooling system parts, you mean the raditor, the hoses, the water pump,the therostate, the raditor fan and it's relays and sensers. If you've done all of this and you correctly purged all the air out of the system then The engine can be making too much heat another way. The coolant temperture senser can say that the engine is cooler than it really is ( makes a rich mixture, to warm the engine) The therostate may be installed unside down or is open all the time or is missing. ( the therostate needs to make the car get up to 200degrees F or the raditior may not get hot enough to remove enough haet to cool the engine. ( hot is good too hot or too cold is bad). Let's say all the cooling system work is good and you did'nt mix more than one kind of antifrezze ( they jel up and not cool.) The exhaust can be stopped up ( causes low performance too) Take out the oxagen senser and connect a pressure gauge ( leave the snser plugged in and grounded) If the pressure goes any higher than 5 Lbs. reving it or anytime then you looking for a clog. A good system revved up and heald staedy should show a vacume. The timing can be wrong ( low performance too) The timing chain can skip time and the measureed compression will be lower that 150 LBS. With the chain skipped the ingtion timing will be slow and that will cause overheating all by it'self. The engine may need an oil change, Gas in the oil from short trips and running too cold sometime. Overheating will rurine the mototr oil and it being bad will make the engine heat. The engine turning hard ( turning the engine by hand you should feel 3 compression shrocks per turn and it should turn easy except as it pressureizes each cyclinder, ( they should all feel the same) the oil should look clear and black, not brown. If it's some other color, coolant may be getting in the oil, The exhaust should'nt smell sweet ( antifreeze leaking into the combustion ) with the car running and the cooling system full with the cap off it shouldn't bubble or steam come out ( it tells their is a leak in the engine to the coolant and it'll blow bubbles in the coolant and the hot exhaust will heat the coolant more than the raditor will remove. It certainly should'nt bubble at all started cold and full.

Sep 28, 2010 | 1998 Pontiac Firebird

1 Answer

Hi i have a 20 passat 20v turbo ,runs good,dont


good likely hood that your oil cooler is leaking oil into coolant this is something you want to replace as soon as possible. you will have to flush your coolant system several times to get as much of the oil out as possible. if you wait you will have severe temp issues as well as not heat due to a clogged heater core. and that is very hard to replace. To flush system hook garden hose to the larger hose of the coolant reservoir get car up to temp. keep idle up a little. get large bucket from the smaller hose that goes into the reservoir hook small hose to it and let it empty into bucket keep hose running thru all the time. before that though replace oil cooler. also replace coolant reservoir as well. or oil will contaminate new coolant. good luck

Sep 01, 2009 | 2003 Volkswagen Passat

2 Answers

I HAVE A 1999 DEVILLE


99 cadillac deville overheating put in new radiator,thermostat,waterpump. it stays cool at idle for a hour running.drivin about 15-30 minutes it overheats. is not using hardly any coolant to speak of.

Jan 05, 2009 | 1999 Cadillac DeVille

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