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 Posted: Sat Dec 28, 2019 5:22 pm |
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Joined: Jul 11, 2011
Posts: 95
Trade Rating: 0
Location: Kent
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That's the second thermostat housing that's sheared off. Issue appears to be the head gasket.
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| ..........I can\'t help it I just like French cars! | |
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Posted: Sun Jun 14, 2020 5:29 pm |
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Joined: Jul 11, 2011
Posts: 95
Trade Rating: 0
Location: Kent
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I've renewed:
Radiator
Heater matrix
Thermostat
Timing belt
Water pump
Head gasket and bolts
Expansion bottle cap
I'm still losing a little coolant that comes out of the expsnsion bottle cap.
Yesterday after driving a few miles and stopping at a petrol station to fill up coolant was literally pi$$ing out.
Got home and after letting it cool found the expansion tank nearly empty.
My current thinking is either the fan isn't kicking in or I should have skimmed the head when I had it off.
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| ..........I can\'t help it I just like French cars! | |
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Posted: Sun Jun 14, 2020 7:20 pm |
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Joined: Nov 27, 2010
Posts: 11513
Trade Rating: +10
Location: What's it to you? ? ?
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Head really should have been skimmed / checked while it was off.
I'd carry out a cooling system pressure test.
Either the new head gasket is leaking or the head could even be cracked.
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| Toyota C-HR GR Sport 2.0 Hybrid with JBL & Alcantara packs. | |
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Posted: Sun Jun 14, 2020 8:44 pm |
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Joined: Jul 11, 2011
Posts: 95
Trade Rating: 0
Location: Kent
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| MrBSI wrote: |
Head really should have been skimmed / checked while it was off.
I'd carry out a cooling system pressure test.
Either the new head gasket is leaking or the head could even be cracked. |
Thanks. I was looking at the cheap kits on eBay. Are they any good?
www.ebay.co.uk/itm/New...034558746?
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| ..........I can\'t help it I just like French cars! | |
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Posted: Tue Jun 16, 2020 4:23 am |
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Joined: Jul 11, 2011
Posts: 95
Trade Rating: 0
Location: Kent
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Can anyone assist please as to what the two plugs are here:
The green one to the back with the red and yellow wire (I think its the coolant temperature sensor).
The brown one in the foreground with the yellow and white wires goes into the housing where the thermostat is. Tbh I sort of expected the green one to be here.
If, with the engine running I pull off the brown plug the fan kicks in. Think I might stop pulling plugs off whilst it's running. Read that it can brick the ECU if done too many times?
I think my fan operation is intermittent. Going to have a look at the relays behind the front grill I've read about that go crusty and play up.
Thanks
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| ..........I can\'t help it I just like French cars! | |
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Posted: Tue Jun 16, 2020 4:36 pm |
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Joined: Jul 11, 2011
Posts: 95
Trade Rating: 0
Location: Kent
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Corroded relays behind the front grill. Top relay had a fractured coil coil contact. I'll get new ones tomorrow. The "female" connectors are recoverable with some contact cleaner then silicone grease.
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| ..........I can\'t help it I just like French cars! | |
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Posted: Wed Jun 17, 2020 2:39 pm |
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Joined: Jul 11, 2011
Posts: 95
Trade Rating: 0
Location: Kent
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So I need to replace these two fan radiator relays. Great idea to put them behind the front grill where they did.
Originals (green) are 5-pin, 35A, spdt.
I have a couple of new (black), 5-pin, 40A, spdt.
Old one has a 390ohm resistor across the coil. Total resistance measured across the coil is 67ohms.
On the new relay there's no resistor apparent. Resistance across the coil is 87ohms.
I need to replace the two fan radiator relays on the wife's old Pug 206. Great idea to put them behind the front grill!
Originals (green) are 5-pin, 35A, spdt.
New (black) are 5-pin, 40A, spdt.
Old one has a 390ohm resistor across the coil. Total resistance measured across the coil is 67ohms.
On the new relay there's no resistor apparent. Resistance across the coil is 87ohms.
What do you reckon, OK as a swap?
Cheers
What do you reckon, OK as a swap?
Cheers
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| ..........I can\'t help it I just like French cars! | |
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Posted: Tue Jun 30, 2020 4:38 am |
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Joined: Jul 11, 2011
Posts: 95
Trade Rating: 0
Location: Kent
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Morning, after a long winded fight with the cooling system I'm down to needing a new cap for the expansion bottle. The two aftermarket ones apparently correct, let by. Part number on the back of the original is PA 66 GF 35. Can't seem to find it anywhere! Main dealer maybe?
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| ..........I can\'t help it I just like French cars! | |
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Posted: Tue Jun 30, 2020 12:57 pm |
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Joined: Nov 27, 2010
Posts: 11513
Trade Rating: +10
Location: What's it to you? ? ?
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Cap should be cheap new from main dealer.
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| Toyota C-HR GR Sport 2.0 Hybrid with JBL & Alcantara packs. | |
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Posted: Tue Jun 30, 2020 1:44 pm |
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Joined: Jan 06, 2020
Posts: 176
Trade Rating: 0
Location: Cheshire
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Would suggest going genuine on the cap yes, the aftermarket ones vary from OK-ish to crap right from the get go. Had one that was even slightly too big on the thread ID and wouldn't tighten fully.
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French Car Forums | |
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Posted: Thu Jul 30, 2020 2:48 pm |
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Joined: Jul 11, 2011
Posts: 95
Trade Rating: 0
Location: Kent
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After a long fight, culminating in fitting new OEM fan relays and a new OEM expansion bottle cap and everything's good on the cooling front (touch wood).
I even gave it a final run through with rad cleaner followed by flushing then fresh coolant.
The only bug is the coolant still looks rusty. (Not oily in any way). Don't get me wrong it there was a LOT of rust in there so I guess it's still coming loose of the inside of the pipes etc. Be nice to get it a nice see through pink!
Did wonder about periodically sucking what I can get to from the expansion bottle and pouring through filter paper?
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| ..........I can\'t help it I just like French cars! | |
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Posted: Thu Jul 30, 2020 2:53 pm |
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Joined: Jun 19, 2010
Posts: 1599
Trade Rating: +4
Location: South Bucks
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Mine goes that colour as soon as I add new coolant. And as I replaced both core plugs in the cylinder head most of the coolant is new .. but you never quite get it all out so it turns orange soon after.
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| Down to just the 1.4 HDi. Cayman Green 2.0i CC sold. | |
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Posted: Thu Jul 30, 2020 7:07 pm |
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Joined: Jul 11, 2011
Posts: 95
Trade Rating: 0
Location: Kent
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In my 1998 Focus with a 2.0 black top Zetec the coolant is a lovely pale magenta colour. Just saying.
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| ..........I can\'t help it I just like French cars! | |
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Posted: Mon Aug 03, 2020 8:56 am |
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Joined: Nov 27, 2010
Posts: 11513
Trade Rating: +10
Location: What's it to you? ? ?
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Non bio clothes washing powder / liquid mixed with plain water ran through the cooling system will clean it out very nicely.
Run it up to temperature until the thermostat opens so the whole cooling system gets cleaned.
Drain & refill with 2nd application for really dirty cooling systems.
Drain & refill with correct type coolant for the engine & if possible distilled or deionised water in the correct ratio.
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| Toyota C-HR GR Sport 2.0 Hybrid with JBL & Alcantara packs. | |
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Posted: Mon Aug 03, 2020 7:03 pm |
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Joined: Jul 11, 2011
Posts: 95
Trade Rating: 0
Location: Kent
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| MrBSI wrote: |
Non bio clothes washing powder / liquid mixed with plain water ran through the cooling system will clean it out very nicely.
Run it up to temperature until the thermostat opens so the whole cooling system gets cleaned.
Drain & refill with 2nd application for really dirty cooling systems.
Drain & refill with correct type coolant for the engine & if possible distilled or deionised water in the correct ratio. |
It won't damage the aluminium bits?
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| ..........I can\'t help it I just like French cars! | |
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