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  1. Astra H
    Hello guys, my dmf is failing hard on my astra h 1.7 ceti. should i do smf conversion kit ? has anyone done it ? smf is cheaper and its not worth buying dmf.
  2. Astra J/GTC
    Hi All, Hope ur all well and safe Was wondering if you could help please 2011 astra 1.7 cdti 80k miles had a service done however during lower gears the car hops/jumps gear 2/3 once back upto temperature the cars fine have given it a good run on the mway any ideas please?? Idle seems okay...
  3. Astra H
    I'm wondering if anyone might be able to help me diagnose a problem after a clutch replacement in my car. Z17dth engine f23 gearbox. I replaced the clutch and put everything back together, I am 90% sure I put thr clutch in the right way around but at this stage I am not sure anymore as the car...
  4. Astra J/GTC
    Hello might this be bad actuator or stuck turbo vanes? That lever is barely moving when i rev it to 3000rpm https://youtube.com/shorts/DRTo50Pc8NQ?feature=shared
  5. Astra H
    Hey guys! Let me start by apolagising if this has been discussed before in the forum, but I couldn't find anything helpful. I have a 2004 Astra H 1.7cdti 74Kw (Z17DTH), only engine mods it has are a reeinforced turbo core, pre-cat delete and a remap with egr delete. When I'm in uphills on the...
  6. Astra J/GTC
    Hey i have under boost issue on 1.7cdti dts 130hp. Car going into limp mode around 3k rpm on 4th gear, car feel sluggish when i clear code. This started after injectors cleaning. My mechanic checked vacuum lines found nothing , replaced turbo vacuum solenoid, turbo seems fine. Im bit worried...
  7. Astra J/GTC
    Going out of my mind trying to find the right little upgrades such as filters and engine oil I guess I cant upgrade much but would love to put in better than factory parts under the hood where possible can someone please help...
  8. Astra H
    good guys I recently swapped 1.9 cdti 150hp on my 1.7 cdti 100hp , on my astra H. I've already changed the instrument panel, REC, UEC, CIM, Complete Engine Installation, Tank pump, I changed practically everything... After finishing, I have about 9 errors in the engine, I have already tested the...
  9. Astra H
    I found this one by accident. No warning lights it even passed its MOT. It's clocked 55K miles. But the air intake duct was almost completely choked with soot. I cleaned the air induction pipe, cleaned the EGR valve with carb cleaner. Also blasted the induction manifold with compressed air. Note...
  10. Astra J/GTC
    Whenever I downshift, no matter how perfectly I revmatch, the revs hang/accelerate slightly whenever and while I’m pressing the clutch? Does the car have revhang?
  11. Diesel Tuning
    Anyone know any good after market exhaust for a Astra h 1.7cdti also anyone know if a 1.9 aftermarket exhaust would fit
  12. Astra G
    Hey guys, I just purchased an 2001 4 Door Astra G with the 1.7 DTI Isuzu engine. I'm fairly new to this car and its scene so bear with me😄. I was thinking of remapping the car in the near future, maybe a stage 1 remap as I don't want to work the engine too hard. So far, I've had a talk with a...
  13. Diesel Tuning
    Hi guys, New to the scene here. Got my first car cheeky little 1.7cdti Astra 110bhp, loving it so far but thinking, hmm what if it had more power? So begs the question, how does one go about this? I have plans to get it mapped naturally but I am wondering what else can be done? I was...
  14. Diesel Tuning
    Hi, guys. I want to upgrade my Astra so I can get around 200+ bhp. I decide to change the gearbox, clutch and the turbo. I know the basic thing about the whole work for changing those parts, but I miss the technical specs about them. I am not sure that the 6 gear gearbox and clutch from 1.7 or...
  15. Astra J/GTC
    Hi please bare with me because this is a long one. So on Saturday I was driving home from work. when I was overtaking a cyclist my revs went crazy and there was smoke coming from my exhaust, I managed to pull over when the smoke started coming from my bonnet and stopped from the exhaust. I...
  16. Astra H
    Hi folks, (I'm on here as a newbie, but that's because I changed my email address & lost my membership details too.!) (Which I suppose also proves I wasn't on here a lot tool.!!) I've got an 05 plate 1.7 Astra diesel estate, which had done around 50,000 when that little hose on the top of the...
  17. Diesel Tuning
    Hi Everyone New here so I have questions and if it has been covered, apologies as I can't find it. I have the Astra that's mentioned in the title and want to remap my car as it feels really sluggish now. I've contacted a few places about remaps and the company I've contacted claim to increase...
  18. Astra H
    Hello all. This is my first post. Bought myself a Astra Estate 2005 with 200k on the clock. 1.7 cdti 100hk. 2 year old alternator and well kept. This is my problem. 2 times after very short trips it wont start. It gives 1/2 to 1 rotations on the crank and stops. Lights flicker. No spinning...
  19. Astra H
    I'm aware this has been posted before but what are the best springs for a 1.7 astra, eibach seems to be popular but i can't see 30mm being enough to make a noticeable difference, is there any 40mm springs about? Not looking dapr because of having to change the shocks, pictures would be helpful...
  20. Astra G
    Hi, Does anyone know the clutch tourque settings for the presure plate? 2004 astra g 1.7cdti. Thanks
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