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Author Topic: Cam belt query.  (Read 107179 times)

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Auto Addict

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Cam belt query.
« on: 15 August 2025, 18:15:33 »
Both Astra's are now 8 years old.

Mrs AA's has done 17k.

Mine has done 23k.

Should I get the cam belts changed?
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TheBoy

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Re: Cam belt query.
« Reply #1 on: 15 August 2025, 19:19:02 »
The service book should stat belt intervals, assuming you have them.  Stick to what that says as a guide to changing, doing so when due, whether that is due to age or mileage :y
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STEMO

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Re: Cam belt query.
« Reply #2 on: 15 August 2025, 19:40:18 »
Book says 10 years, Barry, but I never left mine that long. Only my opinion, but I'd get them done.
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Re: Cam belt query.
« Reply #3 on: 16 August 2025, 10:20:55 »
Thanks.
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Viral_Jim

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Re: Cam belt query.
« Reply #4 on: 18 August 2025, 16:36:50 »
FWIW it was 10yrs or 100k on the Fraud Galaxy, due to circumstances beyond my control (and being too tight to pay someone to do it) I left it 101k and 10yrs 6 months. When it came off the timing belt still looked good, no signs of cracking or flaking etc. The aux belt on the other hand... :-\

At the end of the day its all down to personal opinion. My view is that unless the engine has a reputation for snapping belts, I let them go to the manufacturer's specified intervals. But if its playing on your mind, get it changed  :y
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Sir Tigger KC

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Re: Cam belt query.
« Reply #5 on: 18 August 2025, 18:01:52 »
I've only ever had one cam belt go on me and that was in a Ģ300 Renault 19 diesel about 20 years ago. I sold it to a couple of lads for Ģ200 who planned to fix it and sell it on.  ;D

My Volvo V70 had 195,000 miles on it when I sold it last year and I had no record of the cam belt ever having been changed.  :-X     ;D
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BazaJT

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Re: Cam belt query.
« Reply #6 on: 20 August 2025, 10:28:17 »
The cam belt on my Omega was last changed in 2016(by DLK) and having been stood in the garage for a good few years it's done less than 1,000 miles since! If/as/when I get it ready for an M.o.T I'll risk taking it with the current belt fitted until I'm sure it's worth spending the money on.
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Field Marshal Dr. Opti

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Re: Cam belt query.
« Reply #7 on: 20 August 2025, 13:29:29 »
I had a cambelt go on a 1974 Capri 1600. It didn't take the engine with it.
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Marks DTM Calib

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Re: Cam belt query.
« Reply #8 on: 20 August 2025, 15:32:35 »
Quote from: Field Marshal Dr. Opti on 20 August 2025, 13:29:29
I had a cambelt go on a 1974 Capri 1600. It didn't take the engine with it.

On a 1600 Capri that would be considered unfortunate
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Migv6 le Frog Fan

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Re: Cam belt query.
« Reply #9 on: 20 August 2025, 16:36:23 »
Similar story with my 2.0 Sierra. Belt snapped when I was driving along.
I thought " good, thats the end of this tedious pile of shite".
Lined the pulleys up and stuck a new belt on not expecting much but it fired up and ran fine as if nothing had happened.
Finally got rid of it when an old car parked next to it burst into flames and took the Sierra with it.  ;D
Thats whEN i bought the Senator.  8)
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BazaJT

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Re: Cam belt query.
« Reply #10 on: 21 August 2025, 19:08:39 »
Pinto engine such a simple thing to do a belt change on did quite a few in the mid '70s on MkIII Cortinas
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Nick W

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Re: Cam belt query.
« Reply #11 on: 22 August 2025, 17:39:32 »
When a Pinto cam belt broke what you did was dependent on the capacity:


2.0l - fit a new belt and drive away(I did one at the side of the road when the AA patrol lent me some tools)




1.6l - fit a new belt and hope it didn't bend any valves. Some do, some don't. It's worth the 20 minutes to find out which.


They have different length valves(if I remember right), and a 1.6head won't work on a 2.0l. I found that out the hard way....
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Andy B

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Re: Cam belt query.
« Reply #12 on: 22 August 2025, 17:52:40 »
Quote from: Nick W on 22 August 2025, 17:39:32
When a Pinto cam belt broke what you did was dependent on the capacity:


2.0l - fit a new belt and drive away(I did one at the side of the road when the AA patrol lent me some tools)




1.6l - fit a new belt and hope it didn't bend any valves. Some do, some don't. It's worth the 20 minutes to find out which.


They have different length valves(if I remember right), and a 1.6head won't work on a 2.0l. I found that out the hard way....

and what about the 1300 & 1800?  ;)
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RallyArde

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Re: Cam belt query.
« Reply #13 on: 22 August 2025, 17:54:11 »
Actually there are two version from 1.6 litre pinto, Cortina had with "16" block and later Sierras had "165" block also known as an emax engine, which didnīt bent valves if the cam belt would snap off. Iīve used to own 3 Mk1 Sierras before moving to Omegas as there were no reasonable (enough cheap) RWD option that Ford could offer in the 2000s ;D

EDIT: BTW I had in one my Sierras an engine that had 205 bottom end (from 2.0 litre) and cylinder head from older 1.6 pinto, but I had adjust spark advance a bit later to avoid detonation under accleration... Also got a burton BF134 cam and hard pad followers on the that engine.
« Last Edit: 22 August 2025, 18:00:20 by RallyArde »
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countrywoman

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Re: Cam belt query.
« Reply #14 on: 22 August 2025, 18:43:05 »
1.8 is okay if cambelt goes, how do I know ::)
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