300tdi timing belt klms???

**V8Ian** · 3rd April 2009, 02:31 PM

Originally Posted by vnx205

I bought my 300 TDi Defender second hand from a local dealer.

I couldn't see any evidence in the service records of when the belt was last changed so the dealer made a few phone calls to LR dealers and to places that had serviced the vehicle in the past.

He got three different answers about when it should be changed. So good luck in trying to get a definitive answer.

I got him to change mine before I bought it.

Ah, but did he?

**justinc** · 3rd April 2009, 06:08 PM

Brian,

60 to 80k is a good rule of thumb. 60k in arduous/ tropical conditions, 80k is what we recommend them done at for normal use etc. i have seen them at 100+k but they are pushing the reliability envelope at that timeframe. Also, 5 years is a good interval to change a rubber belt. NEVER replace a belt on a diesel engine without a new tensioner and idler, it is a waste of time.

JC

**B92 8NW** · 3rd April 2009, 06:18 PM

Originally Posted by justinc

Brian,

60 to 80k is a good rule of thumb. 60k in arduous/ tropical conditions, 80k is what we recommend them done at for normal use etc. i have seen them at 100+k but they are pushing the reliability envelope at that timeframe. Also, 5 years is a good interval to change a rubber belt. NEVER replace a belt on a diesel engine without a new tensioner and idler, it is a waste of time.

JC

My "new" 300Tdi without the needed minor mod kit had gone 137,000 between changes. When I checked it out, I reckon if I'd driven another 500 metres it would have gone

.

**vnx205** · 3rd April 2009, 06:38 PM

Originally Posted by V8Ian

Ah, but did he?

I am pretty confident that he did because I asked to see the old one so that I could check its condition. It is not very likely that he would have had a slightly used one on hand to show me.

As it turned out, it must have only been a reasonably short time since it had previously been changed.

The other sign that he had probably done some work on the motor was that there was a significant leak of coolant from a hose because a clamp had not been done up tight enough.

**PAT303** · 3rd April 2009, 06:49 PM

Mines been done every 100k with everything changed each time and I've only had the tensioner fail not the belt.Mine has run the updated pulleys from 3 months old. Pat

**Bushie** · 4th April 2009, 10:26 AM

Originally Posted by vnx205

The other sign that he had probably done some work on the motor was that there was a significant leak of coolant from a hose because a clamp had not been done up tight enough.

Hope everything else was done up tight.

Martyn

**Bigbjorn** · 4th April 2009, 10:33 AM

A very senior person at Land Rover told me "50,000 and don't miss".

**PAT303** · 4th April 2009, 02:00 PM

Personally I think almost all the problems that people have with them can be put down to not fitting them correctly.Like any belt,chain etc the tension and alighnment are most important,they are either perfect or wrong. Pat

**Pedro_The_Swift** · 4th April 2009, 02:05 PM

Didnt "we" figure out it was overtensioning?

not that i read such threads

Thread: 300tdi timing belt klms???

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