Oh the shame. Had to call the AA out for the first time in fifty eight years. - MG-Rover.org Forums
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post #1 of 16 (permalink) Old 16-02-2017, 16:22 Thread Starter
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Cool Oh the shame. Had to call the AA out for the first time in fifty eight years.

Yes, and this is why. Fatigue fracture Radiator Top Hose. :~



Had that happen three times now in the past three years of ZT 1.8t ownership. Previously able to self sufficient sort it. Not this last time though and my first experience of using the AA was a pleasant one. Good service by the AA Guy who used to work for MG-Rover. Been with AA for eleven years since. We had a good interesting chat on the way home with my ZT on the Dolly.

They appear to let go along the Manufacturing Process Seams in their construction. One let go simply because the hose clip had been tightened more than necessary biting into the rubber in previous ownership. So it was a matter of time before that let go.

Here's two of the fractured worn out hoses :~



And two spare replacements I made up earlier ... today:~



I plan to keep one spare in each of the ZTs I use. That should help keep the well known Law of Zod at bay.

Have to keep in mind all these hoses are now at least twelve years old. Located directly above the very hot Turbocharger, in those years they are subjected to many thousands of Hot-Cold-Hot temperature cycles under high cooling system pressures. Sadly, nothing lasts forever.

On both occasions when that top hose let go, coolant was forced under pressure directly onto that very hot Turbocharger. Cue lots and lots of steam like an old Steam Locomotive in dire need of of its 500,000 mile overhaul...

All part of life's rich wossname..

Apparently ... in a parallel universe MGJohn drives .........A.......

B>>M>>W ....

Arrrrrggghhhhh......... ......
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post #2 of 16 (permalink) Old 17-02-2017, 08:24
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Just out of interest have you been a member of the AA a long time and not used it or did you just join on the day of the breakdown.
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post #3 of 16 (permalink) Old 17-02-2017, 08:57 Thread Starter
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Originally Posted by Shawn View Post
.
Just out of interest have you been a member of the AA a long time and not used it or did you just join on the day of the breakdown.
.
My wife is the paying member and she added me to her AA membership. I've carried my AA Relay card since we bought the new MG ZS back in 2003.

Several new cars both privately owned and company cars came with AA Membership including the new MG ZS, the last new car I bought. Some came with 2-3 year AA membership as a sales incentive.

So this February was the first time I've ever called out any rescue service in all those years of AA Membership since the 1960s when the Motorcycle and Sidecar was the AA rescue service and saluted the badge.. .

I bought my first car when I was seventeen back in 1959. A Morris 10-4. Those were the days when home phone ownership was rare and well before even the Science Fiction dreams of Mobile Phones used in TV's Star Trek. I travelled high mileages in my jobs during the 1960-70s. It was wise to be self sufficient back then and maintain your vehicles well so stranded cars by the roadside were a rare sight. That unlike in recent years when I see one or two most longish Motorway trips now. These include "you can't beat German engineering and reliability John" so called premium cars. Particularly overheating in Motorway Start-stop Traffic Hold ups steaming away nicely. The mobile phone and convenience of so many rescue services has meant many folks do not look after their vehicles as well as they should. Modern car users are lazy. Even basic safety checks like tyre pressures are not done. AA/RAC call out stats support this. Indeed, some do not even know where their bonnet release is as demonstrated on a TV show I saw about AA/RAC some years ago.

My car which required AA rescue was a recently purchased project. A used car is always an unknown quantity and using it often reveals what is worn and needs attention. That tired old coolant hose was at least twelve years old and nothing lasts forever. As soon as I lifted the bonnet I realised it's unlikely any rescue service would carry that specialised hose. Apart from the inconvenience of adding three hours to my journey, it was not an unpleasant experience. The AA Guy being ex MG-R Longbridge had lots of interesting tales to tell on the journey home. So:~



Funny old game folks and their cars.

Apparently ... in a parallel universe MGJohn drives .........A.......

B>>M>>W ....

Arrrrrggghhhhh......... ......
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post #4 of 16 (permalink) Old 17-02-2017, 09:13
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I used to build kit cars so I made up almost all my own hoses. We used stainless steel springs made from welding rods to form bends in straight pieces of pipe by putting them inside and leaving them in,like plumbers do to bend pipes and stop them collapsing. Thought I'd mention it as parts will get rarer. A lot will be old stock as well manufactured around the same time as the cars where and likely not to last long.
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post #5 of 16 (permalink) Old 17-02-2017, 12:44 Thread Starter
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I used to build kit cars so I made up almost all my own hoses. We used stainless steel springs made from welding rods to form bends in straight pieces of pipe by putting them inside and leaving them in,like plumbers do to bend pipes and stop them collapsing. Thought I'd mention it as parts will get rarer. A lot will be old stock as well manufactured around the same time as the cars where and likely not to last long.
Parts always get rarer. Your closing "old stock" comment is well made and one I have already considered.

Apparently ... in a parallel universe MGJohn drives .........A.......

B>>M>>W ....

Arrrrrggghhhhh......... ......
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post #6 of 16 (permalink) Old 17-02-2017, 19:37
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Looking on the bright side, at least you've got something for all the subscriptions paid over the years.

I've seen some breakdown companies not even covering cars over 10 years old!
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post #7 of 16 (permalink) Old 17-02-2017, 20:46 Thread Starter
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Looking on the bright side, at least you've got something for all the subscriptions paid over the years.

I've seen some breakdown companies not even covering cars over 10 years old!
I've never subscribed except when the AA package came as part of a new car purchase. My wife wisely has each year since I purchased the MG ZS once the AA package expired. She pays for their AA Relay service which gets the car home which suits us. When still quite new, some inattentive plonker in a VW rear ended it and his Insurance company wanted to write it off for the price similar cars were advertised for. Brought home on a flatbed. It is impossible to replace such a one owner car from new car with an identical used one as then I would be the second owner and any replacement an unknown quantity. I have serviced the ZS since day one back in 2003. I bought the car back and got it repaired to a very high standard for much less than the total of 1000 it cost me to buy it back and get it repaired. My wife still has a very nice one owner from new car to get about in.

She had a puncture in it one dark night couple weeks ago and drove on the flat as the road was fast with lots of traffic and to stop would be dangerous. Driving on destroyed the fairly new tyre. My younger son was with her and he was prepared to swap the wheel for the good spare. She insisted he stay put and called the AA. They came and changed the tyre with a much safer set up with lots of lights and that big yellow van. Over the now fourteen years we've had the ZS, she has called the AA three times and me once for that worn out top hose couple of weeks ago. It's nice to have that AA relay card in the wallet just in case.

Apparently ... in a parallel universe MGJohn drives .........A.......

B>>M>>W ....

Arrrrrggghhhhh......... ......
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post #8 of 16 (permalink) Old 19-02-2017, 12:09
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What are the fibres made of in coolant hoses? Are they knitted like a sock? I'm trying to get my head around crack propagation from one to another. I'm also struggling against my instinctive feeling that thin fibres don't fatigue...I've never had a shirt sleeve fall off from to much flexation.

I wonder whether the rubber in NOS hoses is actually deteriorated if they are stored in air-tight bags, and out of the light? Cyclists and motor sport people age their tyres before use, don't they?
I looked at replacing all coolant my hoses once as preventative maintenance, but the cost was crazy. I came to the conclusion that garages must have a cheap way of making them up? Is this not the case?
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post #9 of 16 (permalink) Old 19-02-2017, 13:13 Thread Starter
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Hard to say but, based on my experience of three worn out hoses on my ZT 1.8t cars, it is simple age and mileage related fatigue after thousands of hot-cold-hot engine use cycles above that very hot Turbocharger. Nothing lasts forever.

As two of these top hoses let go clearly along a manufacturing seam, I strongly suspect that process could have been better designed. Most other top hoses I have experience of do not have that manufacturing "moulding" seam. Mind you, they have lasted over twelve years and 100,000+ miles.

The third hose that let go was a smaller one to the Turbocharger which had been "pinched" in previous ownership with a silly tight Jubilee Clip Type Fastener.

Nothing lasts forever, particularly if abused.

Apparently ... in a parallel universe MGJohn drives .........A.......

B>>M>>W ....

Arrrrrggghhhhh......... ......
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post #10 of 16 (permalink) Old 20-02-2017, 15:10
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Hoses bursting.

Hi there John.


I had a hose go in a similar fashion to yours a few years back.


Clouds of steam gave me an early warning and there was a lay bye in the country lane I found myself in, Quite late at night.


I used electricians tape around the hose.


It was very quiet in the lay bye at night which was handy because I could hear water running nearby.


There was a small stream beside the road so I managed to get some water from there. I can't remember how I carried it though.


I filled the rad and then drove home with the rad cap off so as not to pressurise the cooling system.


I drove about like that for a couple of days until the hose I ordered arrived.








PS. First car----------in 1960 I bought a Standard Flying nine.


D.O.B. 1937.


You could sit in the back and watch the road going by underneath through a rust hole in the floor.--


No MOT in those days.--


The front doors were hinged at the center post of the car so the front edge opened out.


The car body flexed so much that if you hit any really big bumps in the road the doors used to open on their own !!!!




OH happy days.---

Last edited by Roverlike; 20-02-2017 at 15:37.
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post #11 of 16 (permalink) Old 20-02-2017, 15:15
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Above post.

Tried to edit Quite to Quiet in the above post but EDIT button not Working---
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post #12 of 16 (permalink) Old 20-02-2017, 15:38
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For me Edit button is working?
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post #13 of 16 (permalink) Old 20-02-2017, 15:47 Thread Starter
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Cool

Quote:
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Tried to edit Quite to Quiet in the above post but EDIT button not Working---
Yes that button has entered quite quiet mode...

By the way, youngsters today don't know theyze born. In the early 1960s when I thought I would live forever, I would play at being Mike Hailwood by doing 120 mph on my mate's highly modified BSA Rocket Gold Star. Not only that, no helmet, goggles ( eyes streaming in the slip stream pressure ) T-Shirt, shorts and Plimsols ( Wossat Dad ? ) ... Basic trainers son.

Health and safety? Folks in London's East End never gave much thought. A few years previously they had been ducking and diving dodging bombs, V1s and V2s.

That BSA Rocket Gold Star would do 70mph... in first. Needing some clutch slip to get under way then.... Gang busters... TT Clubman's spec Gold Star gearbox.

My first car was very solid. Bought in 1959. Can still remember its reg no. BAX 639. Finished in superb deep blue and black two-tone colours. Cannot remember most of the many cars I've had since, except those with easy to remember plates like this :~



EDIT to add @ 16:51.

That first car was a Morris 10-4. Happy days indeed.

Apparently ... in a parallel universe MGJohn drives .........A.......

B>>M>>W ....

Arrrrrggghhhhh......... ......
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post #14 of 16 (permalink) Old 20-02-2017, 18:13
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Wee bit of topic but-------------

In the late 50s a neighbour about ten doors down had a VINCENT black shadow.


We, as kids used to drool over that bike.




However, my present bike, that I use now, would have run rings around that Vincent if I had it in those days.


I didn't really appreciate the lack of speed limits then. You only missed them later when things became restricted.


Quite a happy age to have lived in.----
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post #15 of 16 (permalink) Old 20-02-2017, 19:17 Thread Starter
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In the late 50s a neighbour about ten doors down had a VINCENT black shadow.

We, as kids used to drool over that bike.

However, my present bike, that I use now, would have run rings around that Vincent if I had it in those days.

I didn't really appreciate the lack of speed limits then. You only missed them later when things became restricted.

Quite a happy age to have lived in.----
Just got off the phone talking to the older brother of my friend who had the BSA RGS I rode back then. He's now the same age as you. He is now down to only three Vincents.... Comets and Black Shadows. He had rather more but, is systematically selling off his motorcycle collection. The prices some of these old British Bikes fetch now is mind boggling. Three years after I bought it, I sold him my Triumph bought new in 1962 and he still has it although its in a local Motor Cycle museum.

Back then, he and his younger brother were discussing power outputs, torque and what have you. To demonstrate what he was torquing about, at his invitation I jumped on the pillion of the big V Twin.

Quote:
That's what I mean by torque John
It's not about high revs and on paper BHP figures...

Point taken and I was impressed watching that speedometer the size of a dinner plate

He lived then within crowd noise range of The Arsenal Football Ground at Highbury. You could always tell when they scored, or missed a sitter.

They are playing tonight away to Sutton United in the FA Cup. It's on TV as I type this. Still 0-0 after twenty minutes with The Gunners @ a massive 9-1 ON... Nine quid wins you just one..!

By the way, your Honda CB 1000... not the in-line six cylinder transverse I lusted after back in the early 1970s is it? What a bike.

Great days gorn forever ... the memories have not though.

Apparently ... in a parallel universe MGJohn drives .........A.......

B>>M>>W ....

Arrrrrggghhhhh......... ......

Last edited by MGJohn; 20-02-2017 at 19:23.
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post #16 of 16 (permalink) Old 22-02-2017, 15:36
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The bike I have now is the latest Honda CB 1,000R.


A de-tuned Fireblade engine that gives enormous torque at the mid range revs. ( 4 in line cylinders. )


0 to 60 in 3 1/2 seconds and 0 to 100 in 8 1/2 seconds.


Will wheelie in first and second gear with not to much trouble.


As you say, the price of all the old cars and bikes has spiralled up beyond belief.


I had an E-Type jag that I traded in for a nearly new Ford Cortina GT.


I got 650 for the Jag.----






PS. And it took 13 seconds to get from 0 to 100 mph.---( bit slow really. Lol. )
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