Thermostat reinstatement

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Thermostat reinstatement

Post by StvC on Tue Oct 29, 2013 11:18 pm

Hi all, sure there was a how to for the above somewhere. Changed the broken pressure release cap and early tests are promising. The next stage is get rid of the manual override and sort thermostat out.

On a slight side note, is there a drain plug for the expansion reservoir, it's full from before I replaced the cap. Guessing I could just unscrew it and tip it out but I'm here and the vehicle is out there in the cold, wet dark. :-D

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Re: Thermostat reinstatement

Post by PFM on Wed Oct 30, 2013 6:37 am

Syphon it out

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Re: Thermostat reinstatement

Post by Logi on Wed Oct 30, 2013 8:10 am

Blow into the outlet pipe.
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Re: Thermostat reinstatement

Post by HighlyJetted on Wed Oct 30, 2013 8:44 am

I do the blow trick (!)

Also I fully recomend taking the bottle out and washing it out if its got scum on the inside like most have. I thrown a handful of gravel in them and and walk around shaking it for 10 minutes.
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Re: Thermostat reinstatement

Post by raydreadz on Wed Oct 30, 2013 12:14 pm

I use a big syringe £1 from a farm supplies if you live rurally.

I've been checking out thermostats for my 1.3....
Mine has no gasket ( should it?) other than the thinnish rubber ring that fits around the thermostat.

Originally It had this one:
http://www.ebay.co.uk/itm/DAIHATSU-HIJET-BOX-1-3-I-16V-FROM-1998-THERMOSTAT-7-8315-/181218210143?pt=UK_CarsParts_Vehicles_CarParts_SM&fits=Model%3AHijet&hash=item2a3172715f

I replaced it with this one cos was a lower temp (77 deg) both still test ok
Notice the breather valve nipple thingy is facing the opposite way:
http://www.ebay.co.uk/itm/COOLANT-THERMOSTAT-DAIHATSU-HIJET-1998-2002-FTS428-77-/310728229889?pt=UK_CarsParts_Vehicles_CarParts_SM&fits=Model%3AHijet&hash=item4858d88401

Was thinking to try this one:
http://www.ebay.co.uk/itm/OEM-Replacement-Thermostat-DAIHATSU-HIJET-1-3-16V-98-99-/231084118495?pt=UK_CarsParts_Vehicles_CarParts_SM&fits=Model%3AHijet&hash=item35cdafd1df

This comes with a gasket but the rubber ring looks too thick to me. I would think it would be easy to crack the housing when tightening up ( mine's already got split around one of the bolt holes, splitting outwards ):
http://www.ebay.co.uk/itm/OE-Replacement-Thermostat-DAIHATSU-HIJET-1-3-16V-98-99-/350912831709?pt=UK_CarsParts_Vehicles_CarParts_SM&fits=Model%3AHijet&hash=item51b408e0dd

Haven't seen gaskets sold on their own, the more I think of it, it must need one & could of been causing air coming in.

Shed any light on this?
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Re: Thermostat reinstatement

Post by HighlyJetted on Wed Oct 30, 2013 1:40 pm

The rubber ring is the gasket, but I always use a little bit of instant gasket round the face.

Also I clean out the groove with a sharp littl screw driver as I like the thermostat seal sit nicely.
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Re: Thermostat reinstatement

Post by StvC on Sat Jan 11, 2014 1:18 pm

Wow, was it really October since I last came on. Poor neglected HiJet.

Has anyone done a How to thread on here? Or are there some simple stages one can list.

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Re: Thermostat reinstatement

Post by keith smith on Sun Sep 17, 2017 11:27 am

hi,confused on how the thermostat fits on my 1000i,,,,,993 cc,,,it seems to be shaped for some reason,anyone any pics on the correct way it fits thanks all

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Re: Thermostat reinstatement

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