Thread: B5.5 Wagons
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Old December 31st, 2016, 00:17   #20
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leon10tagg's Avatar

Fitted the CR1756 hybrid turbo yesterday and all went well until I went for a boost. Anyway I thought maybe the vac actuator was sticky, as the turbo has been sitting for about 18 months since I removed it from my other Passat. So I fitted my Mitty vac to check the actuator but movement on the vane rod was fine. So I checked the vac pipes and they all seemed to be ok except I noticed that the tandem pump vac line seemed to be a bit loose. Anyway I went for another drive and this time the brake pedal was solid. So it looks like a vacuum line is loose, off or split between the tandem pump and the servo. So this morning I'll check the pipework to see if anything is loose or split. Hopefully after that I'll get a drive with the cr1756 turbo running 100%.

The CR1756 runs a 56mm compressor with a clip back on the turbine wheel to minimise surge. Also the pad bearing is uprated.

Also the standard 1749va turbo that I removed has no play on the shaft and no oil around it whatsoever so I have a good spare.
01 Golf Tdi, FMIC, CR1756 turbo, PD intake, Newman cam, EGR delete, BV, modified intake, 80mm MAF, turbo back 2.5" Milltek, 11mm IP, R520s, 3bar MAP, TD tuning box, PD130 O/C,Spax adj's, Eibach A/R bars, powerflex bushings, 312mm discs, top and bottom strut braces
05 & 04 Passat AWX, 98 Impreza turbo, 97 A4 1.8T sport
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