Td4 turbo

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S

Stephanie

Member
Posts
20
Location
Devon
Hi folks
I recently got a freelander 1 td4 es. I am not used to turbo diesel engines having had old series before. When I am going up hill there is a distinct increase in revs as the engine comes under load. Is this normal and just the turbo kicking in or something more serious. Sorry to sound like a fool but we all have to ask questions to learn. There is no strange noise just an increase in revs. Thanks for your help
 
The revs should remain constant with road speed.
Increasing revs while road speed remains constant, is a sign the clutch is beginning to slip, as it's unable to transfer the Increasing torque which the turbo generates under load.
 
Nodge68 said:
The revs should remain constant with road speed.
Click to expand...
surely if she is going up hill
Stephanie said:
When I am going up hill there is a distinct increase in revs
Click to expand...
and maintaining the same speed there will naturally be an increase in revs as the engine works harder to maintain the same speed. If however the speed drops a lot and the engine is working overtime to hold the vehicles speed then like Nodge says your clutch is on its way out. It all depends on how drastic the increase in revs are. With a clutch that is slipping your speed will diminish as you go up the hill yet the revs will increase as the engine try to maintain the speed.
 
Snaggapuss said:
surely if she is going up hill
and maintaining the same speed there will naturally be an increase in revs as the engine works harder to maintain the same speed.
Click to expand...
If the clutch is gripping correctly, then the engine and gearbox will be locked together, so the relationship between the revs and road speed will remain constant, regardless of going up hill or not.
Increased revs without increasing road speed means the torque is being lost, which can only be in the clutch.
 
As above, road speed is determined by engine speed and gear ratio and won't change, assuming it's a manual.
If it is the clutch then backing off the accelerator pedal a bit to allow the clutch to bite a bit more may help but really needs looking at.
 
Nodge68 said:
If the clutch is gripping correctly, then the engine and gearbox will be locked together, so the relationship between the revs and road speed will remain constant, regardless of going up hill or not.
Increased revs without increasing road speed means the torque is being lost, which can only be in the clutch.
Click to expand...
 
Thanks for your help but there's no increase or decrease in speed and the revs jump from about 1500 to 2000 and then straight back down within a couple of seconds. It's curious. I thought it might be the turbo kicking in as I am not used to them but if something is on way out I thought better to diagnose it early
Thanks again
 
Yes she is a manual. Oh no. Is it hard to change the clutch. I had the local garage do the front drive shafts and brake pipes but the brake pipes are all wiggly. Not like a professional job, so I changed the starter motor myself when it went. Could it have been done when changing the drive shafts? I had used a mechanic before on L200 who did things badly, so I used a different one for the drive shafts. She has such a lovely sounding engine. How far will she go before I need to change the clutch now?
Oh dear
 
I would not take a vehicle that slips the clutch. It goes to more and no one can really assure you how much (little) it will last.
Not a difficult work but your mechanics seems not very trained.

Luck
 
Thanks
I am trained maintenance engineer but in a factory I can transfer skills but it is learning new things. I am okay on older vehicles
LOL
Try mi best always
 
Lovely bit of descriptive work there.
Hopefully I can get the series 3 on the road before it goes too much, as the hill here is very steep and she has only done it a couple of times over a few weeks.
Got to know I don't need a 4 pillar ramp thingy as I read you do
Thank you very much for your help
 
Stephanie said:
Lovely bit of descriptive work there.
Hopefully I can get the series 3 on the road before it goes too much, as the hill here is very steep and she has only done it a couple of times over a few weeks.
Got to know I don't need a 4 pillar ramp thingy as I read you do
Thank you very much for your help
Click to expand...
You're welcome.
If it's only slipping a bit then you should have some time but it will gradually get worse.
If you decide to take on the job watch the video a couple of times before you start and come back here for advice as a few of us have done the job.
Oh, and it might be sensible to budget for a new OEM master cylinder as they have a nasty habit of failing after a clutch change. OEM because aftermarket are very poor quality.
 
Thanks again
Yes I will be doing the job as I have come not to trust the quality of work done by any garage. They don't do the job like it was their own. Understandable but true. So yes I will be back for advice as it will be quite epic for me but will make me more familiar with the vehicle..
Thanks again
 
Good luck with the clutch.
As you have transferable maintenance type skills anything is possible. I surprise myself sometimes!! Changed my TD4 engine last year. Take photos, take notes, use marg tubs and ice cream tubs labelled for bolts and take your time.

This forum will help if stuck.
Totally agree about garages, plus as you say you build a rappor with the vehicle making it more enjoyable to drive!!!
 
Thank you Andy
All good advice welcome
Mostly common sense
I must admit I am a bit messy when working but I am moving to the new barn for a while and should try to order my chaos a little better
Thanks again speak soon probably when the job becomes unavoidable
Sticky handbrake is imminent job
Any pointers?
 
Shoes need to be removed, slide points on back plate cleaned and lubricated with copper slip. Adjust and set up handbrake, free any seized components in the hub.
 
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