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Chillyphil

Member Since: 07 Jul 2025

Location: Paignton

Posts: 86

Timing belt

Hi All,

The car is 8 years old, done 65,000 miles.

I guess I need to replace the timing belt.

Couple of questions:

It's the tdv6, does it only have one belt?

On previous cars I've always bought timing belt and water pump kits, is it a different setup on the disco 5, I can only see kits with one belt, 3 pulleys, no replacement bolts or water pump, which I had expected?

What brand belt is best?

What else should be changed at the same time?

Phil
Post #42630 28th Mar 2026 1:52 pm
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nebc100

Member Since: 08 Mar 2019

Location: Altlinster

Posts: 439

It actually has two belts that need replacing.

One timing belt, and then one belt at the back for the HP fuel pump.

Note: on the 3L tdv6, the rear HPFP is also “timed”. It won’t kill the engine if not timed properly, but it won’t run as well as it should.

For make… I think mine was dayco.
Post #42632 28th Mar 2026 10:19 pm
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Chillyphil

Member Since: 07 Jul 2025

Location: Paignton

Posts: 86

Thanks for that Neb.

Should I be replacing the pump as well on the small belt, or anything else?

Phil
Post #42633 28th Mar 2026 10:32 pm
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Chillyphil

Member Since: 07 Jul 2025

Location: Paignton

Posts: 86

After saying that, it sounds pretty dumb to suggest replacing a HP fuel pump, don't know what came over me
Post #42634 28th Mar 2026 10:33 pm
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nebc100

Member Since: 08 Mar 2019

Location: Altlinster

Posts: 439

No… pump isn’t replaced… just the belt.
Post #42635 28th Mar 2026 10:34 pm
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Chillyphil

Member Since: 07 Jul 2025

Location: Paignton

Posts: 86

Thanks.

Any other thoughts on jobs to be done at the same time?

Eg. How is the water pump driven?
Post #42636 28th Mar 2026 10:49 pm
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nebc100

Member Since: 08 Mar 2019

Location: Altlinster

Posts: 439

When I had mine done I was recommended to replace the water pump as it is know to leak after a certain time and since you are taking most of this off anyway………
Post #42637 28th Mar 2026 11:10 pm
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Chillyphil

Member Since: 07 Jul 2025

Location: Paignton

Posts: 86

Thanks
Post #42638 29th Mar 2026 12:27 am
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Mole HD

Member Since: 19 Nov 2024

Location: Orkney Islands

Posts: 770

I replaced the water pump and the 2 main camshaft pulleys, the camshaft pulleys aren't really necessary but a pair only cost an extra £125 over the rest of the parts.

That's 3 belts (FP belt, main timing belt and auxiliary belt), a water pump and 2 camshaft pulleys. Besides the idlers and tensioner pulleys, that's about it for a timing belt replacement...
Post #42643 31st Mar 2026 3:54 am
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Chillyphil

Member Since: 07 Jul 2025

Location: Paignton

Posts: 86

Thanks Mole.
Planning to get on it on Saturday.
Weather permitting.
Post #42644 31st Mar 2026 7:37 am
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Mole HD

Member Since: 19 Nov 2024

Location: Orkney Islands

Posts: 770

Good luck Phil...I'll be replacing my OS front wheel bearing hub...and the back brake disks which I still haven't done thanks to the weather.

Once again...weather permitting.
Post #42646 31st Mar 2026 4:02 pm
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JBFUK

Member Since: 25 Apr 2022

Location: South East

Posts: 95

Has it been serviced following the recommended schedule? If so it will have had belts at 84m or 110k.
Post #42648 1st Apr 2026 8:15 pm
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Chillyphil

Member Since: 07 Jul 2025

Location: Paignton

Posts: 86

No the belts weren't changed, that's why I'm doing them now.
Post #42649 1st Apr 2026 8:43 pm
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Chillyphil

Member Since: 07 Jul 2025

Location: Paignton

Posts: 86

It's 2018 with 60000 on the clock.
So the previous owner decided to save some money and take a risk last year by not doing the belts.
Post #42650 1st Apr 2026 8:45 pm
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Mole HD

Member Since: 19 Nov 2024

Location: Orkney Islands

Posts: 770

As D5's get to 7 years (84 months) old, they usually appear for sale at attractive prices. Mine was very attractively priced for that reason. 7 years old and 75k miles...just on the cusp of timing belt renewal time when I bought it.

The Bling Barge cost me a bit less than a 2016 Disco 4 HSE I was considering to replace my old and hard worked 2015, 285k miles D4. The D4 HSE that caught my eye was in similar condition and mileage (but with tons of after market extras) to the Bling Barge...but with the timing belts done.

If I get anywhere near the same mileage out of the Bling Barge, which is now at 79k miles with me replacing the timing belts after I bought it, I'll be a happy man. My old Disco 4 was a pretty hard act to beat for reliability...with the exception of my 2002 TD5 Disco 2 which reached the dizzy heights of close to 400k miles before I sold it. That TD5 Disco 2 is still the best Land Rover I've ever owned by a country mile.

.
Post #42657 2nd Apr 2026 5:21 pm
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Timing belt