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Author Topic: Draincock leaking  (Read 3211 times)

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terry paget

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Draincock leaking
« on: 19 March 2016, 15:28:22 »
2000 2.5 petrol manual estate
This car is due MOT next Wednesday. I see the draincock is leaking coolant. I have it out, but it looks all right. Upper O ring looks deformed. I can put in new O rings and hope. Any more suggestions? Pic follows.
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T.m.f

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Re: Draincock leaking
« Reply #1 on: 19 March 2016, 17:01:24 »
New o rings should do it.  :y
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terry paget

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Re: Draincock leaking
« Reply #2 on: 19 March 2016, 17:30:15 »
Quote from: T.m.f on 19 March 2016, 17:01:24
New o rings should do it.  :y
Thanks. I hve just measured the O-ring groove diameters; inside one is 5.6mm, outer is 7.0mm. When I reassembled after the clutch change I think I put in 2 O-rings of the same size, F-04, from my Clarke O-ring set, both F-04 listed as 7mm I/D. The grooves looked the same. This time I will put an F-03 ring (ID 5mm) on the inside groove and an F-04 on the outer.
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Toledodude1973

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Re: Draincock leaking
« Reply #3 on: 19 March 2016, 19:58:34 »
The drain plug on mine drips occassionally ,after unscrewing do you just pull it out?
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terry paget

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Re: Draincock leaking
« Reply #4 on: 19 March 2016, 20:41:41 »
Quote from: Toledodude1973 on 19 March 2016, 19:58:34
The drain plug on mine drips occassionally ,after unscrewing do you just pull it out?
Yes. Those 2 prongs in the pic hold it in.
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Toledodude1973

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Re: Draincock leaking
« Reply #5 on: 20 March 2016, 18:51:08 »
Thank Terry didnt want to break it :y
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tidla

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Re: Draincock leaking
« Reply #6 on: 20 March 2016, 21:52:56 »
Coolant leak makes no odds to a mot test.

No idea why i clicked on this thread...
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05omegav6

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Re: Draincock leaking
« Reply #7 on: 21 March 2016, 00:09:02 »
Quote from: tidla on 20 March 2016, 21:52:56
Coolant leak makes no odds to a mot test.

No idea why i clicked on this thread...
Fluid leaks can be advisories if significant/obvious.
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Kevin Wood

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Re: Draincock leaking
« Reply #8 on: 21 March 2016, 14:12:32 »
This is useful information, as I think mine has been weeping too. :y
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zirk

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Re: Draincock leaking
« Reply #9 on: 21 March 2016, 14:43:38 »
My local Tester made a point of telling me it driped in his eye when doing a underneath inspection.  :-X

Wasn't a happy bunny for about 20 mins,  :(

Still passed it though.  :)
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terry paget

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Re: Draincock leaking
« Reply #10 on: 21 March 2016, 19:40:27 »
Good news - after a 20 miles run there is no leak from the draincock. So the smaller O-ring has done the trick/
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05omegav6

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Re: Draincock leaking
« Reply #11 on: 21 March 2016, 19:45:51 »
Job well jobbed :y

Quote from: zirk on 21 March 2016, 14:43:38
My local Tester made a point of telling me it driped in his eye when doing a underneath inspection.  :-X

Wasn't a happy bunny for about 20 mins,  :(

Still passed it though.  :)
Had a rad let go halfway through a test on a 2.8 Granada bought for £100. Tester was less than impressed and ripped it to shreds ;D
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puma80

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Re: Draincock leaking
« Reply #12 on: 24 March 2016, 17:42:25 »
As a heating engineer not in any way a car mechanic looking at your photo boilers have similar parts take it to a plumbing merchant they will have complete sets of O rings you can buy separately replace them with the correct size and at the same time buy some silicone grease use this liberally on orange and shaft this will also help with the seal.
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TheBoy

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Re: Draincock leaking
« Reply #13 on: 24 March 2016, 18:15:44 »
I'm having same problem. I attempted to change entire plug, as O-rings not available at dealer, which turned it from a weep to a flow ;D

Need to get the right sized O-rings from somewhere ;D
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omegod

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Re: Draincock leaking
« Reply #14 on: 24 March 2016, 18:46:27 »
Pretty sure I have used the O ring little set from Halfords on these with success
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