2006 Infiniti m35 overheating

10

Asked by GuruV8RFN Sep 04, 2018 at 10:30 PM about the 2006 INFINITI M35 RWD

Question type: General

My Infiniti 2006 m35 is still overheating it only has
111,072 miles on it. I don’t understand why it’s still
overheating I’ve changed the radiator and hose
thermostat the fans twice and it’s still running hot.

11 Answers

15,715

Did you bleed ALL the air out of it? An air bubble will cause overheating. Also a 50/50 Antifreeze solution

4 people found this helpful.
10

Yes but it’s still running hot I think it’s the water pump and the hose that’s next to it

1 people found this helpful.
80

Mines ran hot as well ...I changed everything water pump..theromstat....hoses...if u are a car person it's hard to burp these cars ...burping means it will continue to run hot until all the air is out if the system....the morning when I was going to take it to the shop it didnt rin hot..anymore...so that's probably the issue after u change the pump...

8 people found this helpful.
30

If you think its overheating because of the temp light by h over c then dont worry! Every m35 early models have that!

3 people found this helpful.
30

Use Concentrated Antifreeze. PRESTONE

2 people found this helpful.
10

Anybody figure why the car was running hot cause mine is doing the samething now

1 people found this helpful.

If you've done all the things that have been suggested and you're still overheating you may want to consider disconnecting the heater core hoses in the back of the firewall run an extension hose from the inline (that would be the hose that is highest on the radiator) and run it to a 5 gallon bucket (or a similar type vessel for holding the wastewater that should be disposed of responsibly). And the outline that goes back to the radiator from the heater core hook a normal garden hose to it. This way just like when you clean an air filter out you don't blow the dust further into the filter you go from the back ways and blow back out the way it came in. You do however want to bear in mind that heater cores do not require a lot of pressure. I would say that a good ballpark figure would be that a garden hose runs about 40 PSI whereas the heater core would probably only take 9 to 10 psi at best. So I would probably only open the valve on the hose maybe a turn and a half or so. After flushing it out backwards switch the hoses and flush it out forward. If you have broken up a lot of debris and yet it's still overheating then you may consider going to an auto parts store and buying a bottle of flush in this case you would plug the outline and raise the inline up as high as you can with a funnel and pour the solution into the heater core and let it sit for a couple hours. Then flush it out going through the inline first (as you would with its regular flow) then flush it backwards. Because you're using a flush chemical I wouldn't recommend that you push it through backwards at first. Bearing in mind that you have already used all other suggestions given to you. One last piece of information is that you do not want to leave any hose water in the heater core or anywhere in the system, as tap water can tend to have a lot of minerals, and different corrosive materials that can be bad for the coolant system. I would suggest at the end of all of this pouring some 50/50 mix down the tube (as I recommended with the flush). Bear in mind (and this is for everyone reading this. If you are mixing your 50/50 radiator coolant with tap water then you are putting a bad chemical into your system and this could very well have been a catalyst towards the issue at hand. Bottled water is not expensive. Also price check on concentrated which you can make 2 gallons with versus the price of a gallon of 50/50. Come on people our grandchildren are going to end up speaking Cantonese if we keep behaving this way. JK... God loves the Chinese as well.

20

Same problem. Turned out to be debris blockage close to the thermostat or something. Anyway, it took a mechanic who thought outside the box and was determined.

2 people found this helpful.

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