jdxnc
10+ Year Contributor
- 678
- 924
- Sep 15, 2009
-
Stanstead,
Vermont
A friend of mine is having issues with his PTE 5031bb and asked me to ask for help here as he is not good in English.
He has a 93 TSI awd, stock rebuilt 6 bolt, 750cc injectors, front mount, walbro 255, HKS SSQ bov, Evo 3 exhaust manifold with a Tial external waste gate, 3" turbo back exhaust. Tuning with DSMlink V2.
The problem he is having is that he cannot get over 24 psi of boost and I think he said 37lbs/min of air flow. It is the 5031 ball bearing version with internal waste gate, which is welded closed. He says the turbo has no abnormal shaft play. He did a boost leak test and all seemed well except for a slight leak around the compressor housing. He said he removed the compressor housing and placed a very thin bead of silicone on the seal and it seemed to fix it. He has also tried blocking off the Tial external waste gate to see if that solved the problem, but it didn't.
He doesn't know what else could be causing this, as this turbo is obviously capable of more than 24 psi.
Thanks for any help with this.
He has a 93 TSI awd, stock rebuilt 6 bolt, 750cc injectors, front mount, walbro 255, HKS SSQ bov, Evo 3 exhaust manifold with a Tial external waste gate, 3" turbo back exhaust. Tuning with DSMlink V2.
The problem he is having is that he cannot get over 24 psi of boost and I think he said 37lbs/min of air flow. It is the 5031 ball bearing version with internal waste gate, which is welded closed. He says the turbo has no abnormal shaft play. He did a boost leak test and all seemed well except for a slight leak around the compressor housing. He said he removed the compressor housing and placed a very thin bead of silicone on the seal and it seemed to fix it. He has also tried blocking off the Tial external waste gate to see if that solved the problem, but it didn't.
He doesn't know what else could be causing this, as this turbo is obviously capable of more than 24 psi.
Thanks for any help with this.