Rattle from 16v 1.4Hdi Engine???
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Diesel engine related problems
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One question per topic.
No Gearbox questions
Diesel engine related problems
Think: Diesel engine, diesel fuel system, diesel injectors and glow plugs
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- Posts: 55
- Joined: Thu Dec 19, 2013 7:36 pm
- Model: C3 2002-2005, Original shape model
- Year: 2002 (02)
- Engine Size: 1.4 (16v)
- Fuel Type: Diesel
- Mileage: 155000
- Gearbox: Manual 5 speed
- DPF: No
- LHD or RHD: RHD (UK)
- Has thanked: 2 times
- Been thanked: 4 times
Hi everyone, Ive a rattle coming from the engine of my 16v 1.4Hdi, this started about 4 weeks ago. Its coming from the cambelt side, somwhere down that side, below the rocker cover level.
Rattles when you give it gas, not when idling. Rattles more with increasing engine speed.
Any ideas what it might be, water pump, fuel pump, belt pulleys? As it sounds like it comes from higher end of that corner of the engine maybe something with can shafts?
Look forward to hearing from you all.
Rattles when you give it gas, not when idling. Rattles more with increasing engine speed.
Any ideas what it might be, water pump, fuel pump, belt pulleys? As it sounds like it comes from higher end of that corner of the engine maybe something with can shafts?
Look forward to hearing from you all.
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- Posts: 3303
- Joined: Sat Jul 23, 2011 3:47 pm
- Model: C3 2002-2005, Original shape model
- Year: 2002 (52)
- Engine Size: 1.4 (16v)
- Fuel Type: Diesel
- Mileage: 100000
- Gearbox: Manual 5 speed
- DPF: No
- LHD or RHD: RHD (UK)
- Engine name: DV4 16-valve diesel (90 PS)
- Has thanked: 258 times
- Been thanked: 111 times
Hi cvloenen, when was the cambelt idler and tensioner last replaced?cvloenen wrote:Hi everyone, Ive a rattle coming from the engine of my 16v 1.4Hdi, this started about 4 weeks ago. Its coming from the cambelt side, somwhere down that side, below the rocker cover level.
It depends when the cambelt idler and tensioner were last changed as my money would be on either of those 2 items for a start.cvloenen wrote:Any ideas what it might be, water pump, fuel pump, belt pulleys
I don't expect it to be the water pump without coolant loss.
You can't mess around with cam belt failure, so now would be a good time to look into changing all the parts for the cam belt change if they are due (150 000 miles or 10 years). Doing the water pump at the same time would be worthwhile.
Those engines are known for a knock, low down by the crank pulley. The crank pulley (TVD) can fail at 100 000+ miles, giving a knock which varies with engine revs.
Cam Kit for Citroen C3 1.4 HDi 16v
TVD - Crank Pulley
Water Pump for 16v 1.4 HDI C3
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- Posts: 55
- Joined: Thu Dec 19, 2013 7:36 pm
- Model: C3 2002-2005, Original shape model
- Year: 2002 (02)
- Engine Size: 1.4 (16v)
- Fuel Type: Diesel
- Mileage: 155000
- Gearbox: Manual 5 speed
- DPF: No
- LHD or RHD: RHD (UK)
- Has thanked: 2 times
- Been thanked: 4 times
Thanks Arfur, I got the car 12 months ago and remeber the guy that sold the car stated it had recently been done, they probably did,nt change the ideler or tensioner tho. I think I'll take the covers of and see what condition their in.
Is the tensioner self adjusting?
To be more clear about the rattle, its like the noise u get from fins on a flywheel hitting something, not a knocking. But it only starts at about 1.5-2000 revs, then the rattling sort of whirring noise just increases with engine speed. At first I though its the Turbo, but had a look with someone throttling the engine and to my delight noise was not the Turbo "phew", these are expensive!!!
Is the tensioner self adjusting?
To be more clear about the rattle, its like the noise u get from fins on a flywheel hitting something, not a knocking. But it only starts at about 1.5-2000 revs, then the rattling sort of whirring noise just increases with engine speed. At first I though its the Turbo, but had a look with someone throttling the engine and to my delight noise was not the Turbo "phew", these are expensive!!!
-
- Posts: 3303
- Joined: Sat Jul 23, 2011 3:47 pm
- Model: C3 2002-2005, Original shape model
- Year: 2002 (52)
- Engine Size: 1.4 (16v)
- Fuel Type: Diesel
- Mileage: 100000
- Gearbox: Manual 5 speed
- DPF: No
- LHD or RHD: RHD (UK)
- Engine name: DV4 16-valve diesel (90 PS)
- Has thanked: 258 times
- Been thanked: 111 times
Good idea. Its a bit of a job to get both top and bottom covers off. You need to take the weight of the engine and remove the engine mount and crank pulley to get both covers off.cvloenen wrote:I got the car 12 months ago and remeber the guy that sold the car stated it had recently been done, they probably did,nt change the ideler or tensioner tho. I think I'll take the covers of and see what condition their in.
The picture shows top cam covers removed along with the engine mount.
It is, but... the cam belt doesn't stretch in its life, the self adjusting tensioner is there to set the tension correctly when fitting a new belt.cvloenen wrote:Is the tensioner self adjusting?
A failed cam belt can be more expensive than a turbocvloenen wrote:To be more clear about the rattle, its like the noise u get from fins on a flywheel hitting something, not a knocking. But it only starts at about 1.5-2000 revs, then the rattling sort of whirring noise just increases with engine speed. At first I though its the Turbo, but had a look with someone throttling the engine and to my delight noise was not the Turbo "phew", these are expensive!!!

You can inspect the turbo inlet fins and shaft for play after removing the big pipe from the turbo:
If you are not sure if the accessory belt and its components (alternator, air con, tensioner) are at fault, the accessory belt is easily removed for testing the engine without it. But I would be taking a good look in the cam belt area, if this fails, you are in for an expensive job.
You could be describing a failed bearing?To be more clear about the rattle, its like the noise u get from fins on a flywheel hitting something, not a knocking. But it only starts at about 1.5-2000 revs, then the rattling sort of whirring noise just increases with engine speed.
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-
- Posts: 55
- Joined: Thu Dec 19, 2013 7:36 pm
- Model: C3 2002-2005, Original shape model
- Year: 2002 (02)
- Engine Size: 1.4 (16v)
- Fuel Type: Diesel
- Mileage: 155000
- Gearbox: Manual 5 speed
- DPF: No
- LHD or RHD: RHD (UK)
- Has thanked: 2 times
- Been thanked: 4 times
Happy New Year, ive time on my hands atm so going to get this fixed!
Having had a look at this again and hearing a duff crankshaft pulley on a vid in the forum Im now almost convinced it is the crank pulley. They obviously dont last, and rattle a lot when they fail, just like the rattle Im hearing.
Anything particular tricky to consider when changing the pulley and the belt?
Having had a look at this again and hearing a duff crankshaft pulley on a vid in the forum Im now almost convinced it is the crank pulley. They obviously dont last, and rattle a lot when they fail, just like the rattle Im hearing.
Anything particular tricky to consider when changing the pulley and the belt?
-
- Posts: 3303
- Joined: Sat Jul 23, 2011 3:47 pm
- Model: C3 2002-2005, Original shape model
- Year: 2002 (52)
- Engine Size: 1.4 (16v)
- Fuel Type: Diesel
- Mileage: 100000
- Gearbox: Manual 5 speed
- DPF: No
- LHD or RHD: RHD (UK)
- Engine name: DV4 16-valve diesel (90 PS)
- Has thanked: 258 times
- Been thanked: 111 times
Consider changing the automatic tensioner at the same time. You can find the automatic tensioner at eurocar parts.cvloenen wrote:Happy New Year, ive time on my hands atm so going to get this fixed!
Having had a look at this again and hearing a duff crankshaft pulley on a vid in the forum Im now almost convinced it is the crank pulley. They obviously dont last, and rattle a lot when they fail, just like the rattle Im hearing.
Anything particular tricky to consider when changing the pulley and the belt?
The crank bolt is highly torqued up so a long bar can be useful to get the correct torque on it to get the thing off.
The crank locking hole is in the flywheel, accessed from under the car. You will need to separate the flexible exhaust pipe part so you can get a suitable allen key locked in.
and the allen key from a different angle
Notice the exhaust system split at the flexible pipe to get access to the locking hole.
Crank Pulley (TVD) Bolt is 30Nm torque, then angle tighten 180 degrees.
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-
- Posts: 55
- Joined: Thu Dec 19, 2013 7:36 pm
- Model: C3 2002-2005, Original shape model
- Year: 2002 (02)
- Engine Size: 1.4 (16v)
- Fuel Type: Diesel
- Mileage: 155000
- Gearbox: Manual 5 speed
- DPF: No
- LHD or RHD: RHD (UK)
- Has thanked: 2 times
- Been thanked: 4 times
thanks Arfur, sounds like youve done this before. To get the belt of with this engine, do you prise back the tensioner and lock it through a hole, then when putting new belt on is there an eliptical d#adjuster to tension the belt first, then u release the locked tensioner?
-
- Posts: 3303
- Joined: Sat Jul 23, 2011 3:47 pm
- Model: C3 2002-2005, Original shape model
- Year: 2002 (52)
- Engine Size: 1.4 (16v)
- Fuel Type: Diesel
- Mileage: 100000
- Gearbox: Manual 5 speed
- DPF: No
- LHD or RHD: RHD (UK)
- Engine name: DV4 16-valve diesel (90 PS)
- Has thanked: 258 times
- Been thanked: 111 times
Yes, exactly that.cvloenen wrote:To get the belt of with this engine, do you prise back the tensioner and lock it through a hole,
You just release the tensioner by removing your locking pin (or whatever you had to hand to poke in the hole).cvloenen wrote:then when putting new belt on is there an eliptical d#adjuster to tension the belt first, then u release the locked tensioner?
There is a useful projection on the top of the tensioner, it has flat sides allowing the locating of a spanner on it giving greater leverage to compress the tension to align the 2 holes for the locking pin.
I havecvloenen wrote:thanks Arfur, sounds like youve done this before.

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-
- Posts: 55
- Joined: Thu Dec 19, 2013 7:36 pm
- Model: C3 2002-2005, Original shape model
- Year: 2002 (02)
- Engine Size: 1.4 (16v)
- Fuel Type: Diesel
- Mileage: 155000
- Gearbox: Manual 5 speed
- DPF: No
- LHD or RHD: RHD (UK)
- Has thanked: 2 times
- Been thanked: 4 times
Thanks Arfur, I'm just waitingh for my new pulley. Let you know the outcome.
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