Advice wanted please

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skoda169

New Member
Posts
76
Location
back of beyond in the Northumberland hills
I want to know if doing any of the mods i have been reading on here are really worth it!.

I have a bog standard 2001 TD4 freelander 165,000 on the clock with full service history from new (main dealer all the way)
i have owned the car since mid may and it drives perfect in every way just cannot fault it.
The only thing i have done is change the crank case filter as i read through all the history and not once has it been changed according to the service history??
I have not done the EGR mod that is advised to have done on this forum, is it really worth doing or would it help future issues by doing this??

i am not a speed freak drive between 40-60 mph on our twisty country roads we have up here it does get a blast once a week on the faster roads when going shopping.
Also very interested in this synergy thing does it really help with the fuel consumption or is it just to get a few more horses out of the engine (which i don't need)
any advice would be interesting
thanks in advance
 
If you're happy with it as it is - that's great.

Just don't go for a drive in one that's had all the mods - you will then find your machine sluggish by comparison.

I'm no 'speed-freak' either but I need to keep up with the general flow of traffic on the motorways of mainland Europe.

Every now and again I switch off the power to the Synergy just to compare what it's like now with what I used to have as standard - no way do I regret spending the money.

If you only want some extra mpg - you will be disappointed unless you are a very high-annual-mileage guy. It will take too long to get back/break even with the cost of a Synergy.

The mods that are essential are the pcv which you've done and IMHO you need to disconnect the little braid pipe from the EGR and block the pipe with a suitable size of screw or as I found out recently - stick a golf tee up the hole.

That is all you need to do to de-activate the EGR and give the engine clean air to breathe as the EGR is actually a sop to the environmental regs that just serves to clog up the intake ducts with gloop.

Singvogel.
 
I have not done the EGR mod that is advised to have done on this forum, is it really worth doing or would it help future issues by doing this??
Click to expand...

in the august issue of land-rover-monthly .. an article about tuning TD5s ..
the writer mentioned that the egr valve defeats it's purpose after about 2 years ..
i.e. the build up of oily soot inhibiting air intake results in more pollution
not to mention lower performance ..

installing an egr bypass will let the engine breathe better ..
and will get rid of one engine part that can cause problems
a.f.a.i.k. diesels are not mot tested for nitros oxide emissions
those n.o. emissions being the reason an egr valve is added in the first place ..

don't know about other folk .. but ..
my mpg before the egr bypass was 33mpg ..
after fitting the bypass .. next check was 39mpg

with the synergy box installed .. i get ..
40mpg at worst .. 45 mpg so far has been best .. ( synergy set to high torque / high power .. using shell diesel )
recently tried BP ultimate fuel .. next fill up revealed 47 mpg ..

probaly won't recoup the £s spent on the mods via mpg savings ..
but the added driving pleasure relieves some of the common driving stresses .. so added bonus there :)


i am not a speed freak drive between 40-60 mph on our twisty country roads we have up here it does get a blast once a week on the faster roads when going shopping.
Click to expand...

the synergy is worth it for the added lower rpm torque and go-pedal response
cruising the twisty hilly roads around here ( yorkshire dales 'n thereabouts ) involves much less pedal movement
to achieve a constant cruising speed .. ..

the added torque / pedal response ..means being able to reach .. and keep to .. cruising speed / higher gear .. quiker
i.e. without the need to use higher rpm ..
that helps to use less fuel overall ( at least that's my theory :)

i rekon even the synergy 2e ( economy model .. added tourque .. no added bhp at higher rpm )
would make the td4 more pleasurable to drive ..
i.e. more response below 3k rpm ..
the synergy designer .. rover ron .. writes about the added bhp being above 3k rpm aprox.
although 'torque' and 'bhp' are related to one another ..
so no doubt be some extra horses at the lower rpm range ..

added benefit of the synergy box .. is that .. you can choose to use either
a 'bosch' maf sensor .. or 'pieburg' maf sensor ..
big difference in price .. *subtle difference in go-pedal response* ..
the pierburg maf costs less .. according to rover ron is more reliable ..

*see results a page end ..
Maf sensor problems.
figures for the pierburg maf are Slightly higher between 1500 rpm and 3000 rpm

have had my td4 since feb this year .. done 8k miles in it ..
could probably count the times i've had it over 3k rpm .. on one hand ..
( although that might be a tad conservative estimate in reality .. .. maybe two hands :)
 
Last edited:
hd3 said:
in the august issue of land-rover-monthly .. an article about tuning TD5s ..
the writer mentioned that the egr valve defeats it's purpose after about 2 years ..
i.e. the build up of oily soot inhibiting air intake results in more pollution
not to mention lower performance ..

installing an egr bypass will let the engine breathe better ..
and will get rid of one engine part that can cause problems
a.f.a.i.k. diesels are not mot tested for nitros oxide emissions
those n.o. emissions being the reason an egr valve is added in the first place ..

don't know about other folk .. but ..
my mpg before the egr bypass was 33mpg ..
after fitting the bypass .. next check was 39mpg

with the synergy box installed .. i get ..
40mpg at worst .. 45 mpg so far has been best .. ( synergy set to high torque / high power .. using shell diesel )
recently tried BP ultimate fuel .. next fill up revealed 47 mpg ..

probaly won't recoup the £s spent on the mods via mpg savings ..
but the added driving pleasure relieves some of the common driving stresses .. so added bonus there :)




the synergy is worth it for the added lower rpm torque and go-pedal response
cruising the twisty hilly roads around here ( yorkshire dales 'n thereabouts ) involves much less pedal movement
to achieve a constant cruising speed .. ..

the added torque / pedal response ..means being able to reach .. and keep to .. cruising speed / higher gear .. quiker
i.e. without the need to use higher rpm ..
that helps to use less fuel overall ( at least that's my theory :)

i rekon even the synergy 2e ( economy model .. added tourque .. no added bhp at higher rpm )
would make the td4 more pleasurable to drive ..
i.e. more response below 3k rpm ..
the synergy designer .. rover ron .. writes about the added bhp being above 3k rpm aprox.
although 'torque' and 'bhp' are related to one another ..
so no doubt be some extra horses at the lower rpm range ..

added benefit of the synergy box .. is that .. you can choose to use either
a 'bosch' maf sensor .. or 'pieburg' maf sensor ..
big difference in price .. *subtle difference in go-pedal response* ..
the pierburg maf costs less .. according to rover ron is more reliable ..

*see results a page end ..
Maf sensor problems.
figures for the pierburg maf are Slightly higher between 1500 rpm and 3000 rpm

have had my td4 since feb this year .. done 8k miles in it ..
could probably count the times i've had it over 3k rpm .. on one hand ..
( although that might be a tad conservative estimate in reality .. .. maybe two hands :)
Click to expand...
45 mpg dont think so
 
In my opinion the reliability of a full dealer service has to be taken with a pinch of salt. My car had the full dealer service when I bought it and like yours the PCV filter and also the LP fuel filter had never been changed even after 100,000 miles. As regards mods and improved fuel consumption I fitted the BMW PCV mod, a EGR bypass and Synergy 2A with in cab switch and Pierburg MAF, local driving I get 31 mpg, Motorway driving I get about 34 mpg, before the mods I averaged about 31mpg. Agree with Singvogel that if you only cover low mileages, like me, fitting the Synergy together with the possibility of higher insurance premiums is not the way to save money but it certainly makes driving more enjoyable and sometimes exciting :)
 
Last edited:
rhodie said:
I've done the mods I get 32 mpg round town and up to 44mpg at a steady 60 on a motorway
Click to expand...

My mileage is mostly town driving but with almost no traffic so 31 mpg isn't too bad for me but have to be honest and say that I've never driven a car at 60 mph on a Motorway so would never hope to achieve anywhere near 44 mpg. Always had a heavy right foot and with the aircon on all the time and being automatic 34 mpg is the most I would expect especially when you drive something with the aero dynamics of a brick :D
 
45 mpg dont think so
Click to expand...

one off .. ..

tailwind ..
downhill most of the way ..
cold temps ..
comp. calculator has a intermittent bug .. gets over optimistic ..
made long suffering passenger get out 'n push for an hour or so ..

most likely included some motorway driving keeping time with the hgvs in lh lane
as a right foot restricted mpg experiment .. :)

http://www.landyzone.co.uk/lz/2133409-post17.html
 
Last edited:
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