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MR2 overheating
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TOPIC: MR2 overheating
#40714
MR2 overheating 2 Years, 7 Months ago Karma: 87
After a rather spirited drive my MR2 started to overheat when I got to Galway (Merlin Park) from Dublin, the engine light came on and steam came out of it..I pulled over and let it cool down for a while

Checked the engine bay and some coolant had come out of the radiator cap. The engine started to get abit rattley when I was pulling in but I'm told this is normal.

Whats the verdict...I know how long is a piece of string. Could the radiator cap have gone bad?

Poxy way to start the weekend
eringobragh
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#40723
Re: MR2 overheating 2 Years, 7 Months ago Karma: 1
I would think water pump, do you know was it changed recently? last time timing belt was done maybe. The fins can make a brave rattle if their damaged.
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#40742
Re: MR2 overheating 2 Years, 7 Months ago Karma: 127
It could be any of these. Start with the easy options.

When my water pump failed, coolant was escaping from near the pump pulley.

Water pump, as already mentioned.
Thermostat stuck closed.
Loss of coolant through leak e.g. split coolant hose.
Low oil level.
Head gasket failure.
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#40744
Re: MR2 overheating 2 Years, 7 Months ago Karma: 315
That's a complete bummer, hope you find the issue without much costs attached.
slipsliderg
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#40746
Re: MR2 overheating 2 Years, 7 Months ago Karma: 87
New radiator cap and 5 litres of Coolant didn't fix it.

Radiator is gone by the looks of things lads..started running coolant through the system and after 6 litres or so I looked under the car and its leaking from the bottom of the rad.

Stuck in Galway now. ..

Just a quick question regrding the fans, can you add the second fan in that the turbo MR2 has to an NA? the loom seems to be there might pay a visit to joe in tuam and grab one.

I need a drink now
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#40750
Re: MR2 overheating 2 Years, 7 Months ago Karma: 315
Radweld should block up the rad for you if you can get it in one of the garages.

New radiator perhaps Aluminium Rad

I have the second fan in mine since I got it, but the second fan is not your problem its the hole in the rad

On the Highland run two years ago several cars had to use radweld after spirited driving.

Salty roads kill cars.
slipsliderg
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#40758
Re: MR2 overheating 2 Years, 7 Months ago Karma: 127
You need to raise the front of the MR2 to drop the radiator below it.

The hoses are the trickiest part of removing the radiator because there isn't much room to twist and turn to release them. Good luck.
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#40796
Re: MR2 overheating 2 Years, 7 Months ago Karma: 87
slipsliderg wrote:
Radweld should block up the rad for you if you can get it in one of the garages.

New radiator perhaps Aluminium Rad

I have the second fan in mine since I got it, but the second fan is not your problem its the hole in the rad

On the Highland run two years ago several cars had to use radweld after spirited driving.

Salty roads kill cars.


cheers man...that rad is a bit out of my price range. I am however grabbing an allumium one.


I left the car in Galway and goign to head down next weekend and fix it.



I'm going to do a few more bits while the rad is out:

1) Are these hoses any use, no harm in changing the hoses while its out to be honest :

www.ebay.ie/itm/Stoney-Racing-Toyota-MR2...;hash=item2a16f73d67

2) I'm going to add a second fan as the loom, etc is there. Anyone know of one going let me know

3) I'm thinking of making up a mesh guard to help protect the radiator..has anyone done this or have any pics of this


4) Also I don't seem to have the plastic trays under the bumper (red circled)..I'm sure these help with fighting debri hitting the radiator. Are they standard on the 2?


_KUNENA_BBCODE_HIDEIMG




Cheers for the help guys B)
eringobragh
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#40800
Re: MR2 overheating 2 Years, 7 Months ago Karma: 315
Those guards are standard on all the MR2's need a set of front ones myself as mine are a little worse for wear.

As for changing the pipes see my quote under my avatar.

Why not try to source a fan from Joe while your in Galway.
slipsliderg
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#40801
Re: MR2 overheating 2 Years, 7 Months ago Karma: 87
slipsliderg wrote:
Those guards are standard on all the MR2's need a set of front ones myself as mine are a little worse for wear.

Why not try to source a fan from Joe while your in Galway.


Was thinking the same..I'll give him a bell I'd say hes probably some undertrays..If you want me to collect you a set from Galway let me know

slipsliderg wrote:

As for changing the pipes see my quote under my avatar.


Read that LOL ...so I should just leave as is then?

In other news:

I've ordered the mesh already for the front bumper.

www.ebay.com/itm/ws/eBayISAPI.dll?ViewIt...me=ADME:L:OC:US:1123
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Last Edit: 2012/03/04 22:16 By eringobragh.
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#41084
Re: MR2 overheating 2 Years, 7 Months ago Karma: 87
SOLVED:

mr2.ie/mr2-forum/10-general/32937-what-a...&start=120#41083



RAD out.....this doesn't look like it should be there!!! I think we have our culprit.


_KUNENA_BBCODE_HIDEIMG

This is the culprit...it was actually in behind the fan.Does anyone know whats its from? It looks like some sort of marker
with 60 wrote on the top???


_KUNENA_BBCODE_HIDEIMG

eringobragh
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Last Edit: 2012/03/11 20:37 By eringobragh.
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