Header Tank Cap Washer

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Bazzajay
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Header Tank Cap Washer

Postby Bazzajay » Sun Nov 12, 2017 10:05 pm

I hadn't used my F for a few days and when I went to start it the 'Lolarm' went-off. When I went to add water I found that the washer from the cap had stuck to the top of the filler the last time I had filled it; it had then adhered itself to the funnel I use, a plastic bottle with a hole cut into the bottom. I replaced it in the cap and had no trouble on a 20 mile run, with the water level fine when I returned.

I find I have to top-up the water regularly, usually checking when it is cold. The last time I had topped-up I had had to do it hot as the 'Lolarm had gone off, for the first time, while I was driving. This must have been when the washer became displaced. I shall pay extra attention to this when topping-up in future!
Barrie

2000 MGF Wedgwood SE 1800i
2002 Peugeot Partner Quiksilver

Geoff.F
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Re: Header Tank Cap Washer

Postby Geoff.F » Mon Nov 13, 2017 11:09 am

Bazzajay wrote:I hadn't used my F for a few days and when I went to start it the 'Lolarm' went-off. When I went to add water I found that the washer from the cap had stuck to the top of the filler the last time I had filled it; it had then adhered itself to the funnel I use, a plastic bottle with a hole cut into the bottom. I replaced it in the cap and had no trouble on a 20 mile run, with the water level fine when I returned.

I find I have to top-up the water regularly, usually checking when it is cold. The last time I had topped-up I had had to do it hot as the 'Lolarm had gone off, for the first time, while I was driving. This must have been when the washer became displaced. I shall pay extra attention to this when topping-up in future!


Glue the washer to the cap with a thin smear of silicone rubber or even cheaper, bin the cap and fit a new one.
Buy 2 then you always have the essential spare. Keep the spare together with a rad bleed plug. Caution. An aftermarket rad may have a different thread size.

Geoff.F

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Bazzajay
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Re: Header Tank Cap Washer

Postby Bazzajay » Tue Nov 14, 2017 12:19 am

[quote="Geoff.F")Glue the washer to the cap with a thin smear of silicone rubber or even cheaper, bin the cap and fit a new one.
Buy 2 then you always have the essential spare. Keep the spare together with a rad bleed plug. Caution. An aftermarket rad may have a different thread size.Geoff.F[/quote]

Thanks Geoff, I must admit I've been thinking it might be a good idea to replace the cap, even though it's only a couple of years old.
Barrie

2000 MGF Wedgwood SE 1800i
2002 Peugeot Partner Quiksilver

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talkingcars
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Re: Header Tank Cap Washer

Postby talkingcars » Tue Nov 14, 2017 10:31 pm

The cap is regarded as a service item.
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Re: Header Tank Cap Washer

Postby c13amb » Tue Nov 14, 2017 10:38 pm

talkingcars wrote:The cap is regarded as a service item.


Yep agree mine gets changed every 12 months whether its needed or not!
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Bazzajay
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Re: Header Tank Cap Washer

Postby Bazzajay » Tue Nov 14, 2017 11:18 pm

talkingcars wrote:The cap is regarded as a service item.


Thanks for the info., how often should it be replaced?
Barrie

2000 MGF Wedgwood SE 1800i
2002 Peugeot Partner Quiksilver

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Tipper
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Re: Header Tank Cap Washer

Postby Tipper » Wed Nov 15, 2017 10:52 am

Hi Barrie,
I had a whole string of cap failures during the 10 years I ran my TF, presumably down to some poor manufacture or quality control issues. I could never see any defect in them but failure was a regular occurrence. I always ordered 2 when I needed one and I ended up carrying a bag of 4 spares so I always had one if needed! They were numbered using a waterproof chalk pen so I knew one from another. :thumbsu: I also found that the yellow Land Rover (?) type were longer lasting than the usual cheap black MGRover or Honda caps.

As I now have a ZR 160 as a runabout and for track day fun I still have those caps and carry them in that car along with the essential 'K-series' tool kit! :lol:

Martin

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talkingcars
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Re: Header Tank Cap Washer

Postby talkingcars » Wed Nov 15, 2017 10:29 pm

Bazzajay wrote:
talkingcars wrote:The cap is regarded as a service item.


Thanks for the info., how often should it be replaced?


At around £5 a time annual is affordable.
Home to black MGZS180, blue MGZR160, green MGF VVC and MGF 1.8i, and red MG Maestro T16.

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Bazzajay
Posts: 91
Joined: Wed Jan 04, 2017 8:29 pm
MGF Register Region: South Coast
Model of Car: Wedgwood SE 1800i
Location: Shanklin, Isle of Wight

Re: Header Tank Cap Washer

Postby Bazzajay » Wed Nov 15, 2017 11:45 pm

Many Thanks to everyone for the input, a couple of caps now ordered, should arrive in a couple of days.
Barrie

2000 MGF Wedgwood SE 1800i
2002 Peugeot Partner Quiksilver


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