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Author LEt boost problems
Jambo
Member

Registered: 8th Sep 01
Location: Maidenhead, Drives: VXR Arctic
User status: Offline
3rd Oct 05 at 20:46   View User's Profile U2U Member Reply With Quote

Been having some proberlms with my turbo of late,


Basically oil seals went on my old one, so purchased a 2nd hand one off a friend who was using it on his cally t but striping it for parts. Was a std KKK one with a recon less than 25k ago IIRC,

Anyhoo since fitting it i have had probelms with boost! First of all the actuator i got with the turbo was an uprated one used for phase 2 on his car which was not doing my std ecu any favours and i ended up getting plenty of EMLs wioth fault code 116


So took uprated actuator off and replaced with the old one off my old turbo which was fine when on the old unit.

And suddenly i have a massive boost leak

Decided that actuator must be too loose so tigtened it up, the preffered measurement is 13mm after the bolt IIRC, it was lower. Did it up took it for a spin, slow as hell still.

Found it to be 12mm so tightened it to 13 possible over did it to 14mm.

Now im RIGHT back where i started from and got an EML code of 116. (boost pressure above upper limit) Plus seemed to be back to normal but not around 4th gear (f20) Plus turbo was SO loud in 5th at around 90 and i dodnt remember it being that loud!


Im now worried as to what my car is doing

Could any of this be down to the amal valve? As i replaced a plug on it before i did the turbo conversion, may i have put it on the wrong way round?

Sorry for the essay guys

Any help appreciated

ed
Member

Registered: 10th Sep 03
User status: Offline
3rd Oct 05 at 20:52   View User's Profile U2U Member Reply With Quote

Your car sounds like SteveW's now
Jambo
Member

Registered: 8th Sep 01
Location: Maidenhead, Drives: VXR Arctic
User status: Offline
3rd Oct 05 at 20:57   View User's Profile U2U Member Reply With Quote



I wanna start again, but with a calibra
miles
Member

Registered: 25th Mar 02
Location: plymouth Drives: Astra Sport
User status: Offline
3rd Oct 05 at 21:17   View User's Profile U2U Member Reply With Quote

There is no right and wrong measurement for the actuator, whatever allows it to boost properly.

Do you have a boost gauge?

Try fine tuning the actuator adjustment, check vacuum pipes and check out max boost for the amal valve vacuum pipe orientation.
Jambo
Member

Registered: 8th Sep 01
Location: Maidenhead, Drives: VXR Arctic
User status: Offline
4th Oct 05 at 08:15   View User's Profile U2U Member Reply With Quote

Need a boost guage

Ill look on max boost to check wiring im guessing its the suspect
James R
Member

Registered: 4th Feb 03
Location: 205GTi16/306GTi16
User status: Offline
4th Oct 05 at 18:06   View User's Profile U2U Member Reply With Quote

get boost agueg so you can set the boost correctly.
or just get a P2 ecu
miles
Member

Registered: 25th Mar 02
Location: plymouth Drives: Astra Sport
User status: Offline
4th Oct 05 at 21:13   View User's Profile U2U Member Reply With Quote

You'll still need a boost gauge and correct amal valve wiring/plumbing with p2.
Jambo
Member

Registered: 8th Sep 01
Location: Maidenhead, Drives: VXR Arctic
User status: Offline
5th Oct 05 at 14:41   View User's Profile U2U Member Reply With Quote

Got an F20 so no Phase 2 going here!

On the hunt for some money to buy a boost guage

 
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