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The Mitsubishi Pajero Owners Club® The Mitsubishi Pajero, Shogun, Montero, Challenger, Raider and EVO 4x4 Owner's Club
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Fredy ***
Age: 53 Zodiac: Joined: 17 Dec 2012 Posts: 141 Location: Rochdale
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Posted: Mon Sep 28, 2020 23:02 Post subject: Warm air |
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Hi guys, hope everyone is well. My 2005 beast seems to be only blowing out warm air, for the life of me I'm sure before when it hot yo temp it was blowing hot air through the vents. I have flushed it twice let it idle for over an hour, get air out of system but still only blowing warm air. I replaced thermostat about 3 months ago, any other ideas please, thanks |
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Posted: Mon Sep 28, 2020 23:02 Post subject: Google Ads keep the POCUK free to join! |
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Craig-SM ***
Age: 53 Zodiac: Joined: 12 Aug 2018 Posts: 207 Location: Leeds
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Posted: Tue Sep 29, 2020 7:20 Post subject: |
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When say flushed did you use a radiator cleaner such as Bars and run it around for a days with the heater turned up before draining?
If not you’ve probably got a clogged heater matrix. If the radiator cleaner doesn’t work then you probably need to to replace the heater matrix. |
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Fredy ***
Age: 53 Zodiac: Joined: 17 Dec 2012 Posts: 141 Location: Rochdale
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Posted: Tue Sep 29, 2020 18:58 Post subject: |
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Sorry i didn't. I did use a cleaner ran it for about 2 hours then drained it i had a spare thermostat, thought the other may be faulty, the air is warm the pipes are warm. Thermostat housing the water water was hot but what i drained it was lukewarm warm. Now i have snapped the top nut off the housing for the thermostat, bloody great, can't drill it out not alot of room, bloody thing. Been quoted 60 to get broken bolt removed from thermostat housing, any ideas thanks |
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icehawk LifeTime Member
Age: 62 Zodiac: Joined: 09 Apr 2006 Posts: 2550 Location: walsall west.mids
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assassin ********
Age: 64 Zodiac: Joined: 29 Jul 2009 Posts: 5077 Location: Wherever I Wander To -- Midlands
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Posted: Wed Sep 30, 2020 3:32 Post subject: |
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Have you checked the temperature of the outcoming air as in summer it feels colder than it is, in winter it feels hotter than it is.
I use a digital thermometer to measure the temperature at the vents for reference.
Often it is a clogged cooling system and this can be easily cleaned and one thing I often do is use a domestic product called Vanish, if you disconnect the heater matrix hoses and raise them higher than the matrix you empty the water and once raised you add a little water a teaspoon of Vanish and top up with water, DO NOT RECONNECT THE HOSES.
Drain the engine block and radiator and add a little water, add several scoops of Vanish and top up with water, you may have to block the elbows where the matric pipes come from, but DO NOT REPLACE THE RADIATOR CAP as this releases oxygen and it needs somewhere to vent to and escape and if you seal the system it will generate enough pressure to blow something.
Leave for the prescribed time as this cleans metal and removes rust, flush the heater matrix out first and note the removed contamination coming out, and continue flushing after it is clear, drain the engine block by removing a bottom radiator hose and flushing the block and radiator through thoroughly, reconnect the matrix pipes and fill the system with pure water and run until it is all diluted and drain.
Refill with water and a cooling system cleaner and follow the instructions, drain and this will remove the contamination left by the vanish and flush well with water, you should have removed all the contamination and your cooling system should be as clean as a nuns thoughts. |
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Fredy ***
Age: 53 Zodiac: Joined: 17 Dec 2012 Posts: 141 Location: Rochdale
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Posted: Wed Sep 30, 2020 23:05 Post subject: |
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Thanks for the info, appreciate it. I'm abit scared disconnecting from the two pipes near the fuel filter, if i follow the pipes can i get better access, i have bought a right angle drill attachment see if i can drill out the nut. Thanks for that info. I'm going to check cabin filter also as a precaution, i think its a blockage as the water is boiling when i disconnected from thermostat housing. The radiator top hose is warm also the one near alternator, iv bought some rad cleaner, i am going to put it in Saturday run around and empty Sunday, also going to get a thermometer, basic kitchen one, thank you |
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Fredy ***
Age: 53 Zodiac: Joined: 17 Dec 2012 Posts: 141 Location: Rochdale
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Posted: Wed Oct 14, 2020 16:50 Post subject: |
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Update. Flushed out heater matrix and block, all clear, now, however still warmer vent on passenger than drivers side. High possibility could be a vent closed, however i dont know where to look any help much appreciated thanks |
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