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catalytic converter

  1. New catalytic converter choice or decat

    Engine & Gearbox
    My 16-year-old catalytic converter broke off from the pipe and now I'm thinking to replace it for a new cat or decat pipe, because welding this old thing is like a beating the dead horse, and Gun Gum flexiwrap will not hold much. The choice is between BM Catalysts BM80025H, Bosal 099-895, and...
  2. T4 No Boost

    Engine & Gearbox
    Hi All, I have a 2001 2.5 multivan. The problem I'm having is that the turbo is only kicking in at 3000 rpm and if it gets to a hill it loses all power if I cant maintain 3000 rpm. It also has no power when trying to pull off on a steep slope/driveway. I have changed all the vacuum hoses...
  3. Catalytic Converter from my defunct 1998 2.5 TDI

    Parts For Sale
    *<:-)>:DItem for Sale: Exhaust Down Pipe and Catalytic Converter 1998 2.5 TDI (BREAKING) Price: £95.00 Location of Item: Chester Road, Sutton Coldfield, B73. Three miles from M6. Contact Info.: 07966137654 Sale of the Cat from my 1998 VW T4 Transporter 2.5TDI SWB. The engine ran well...
  4. Pros & Cons Of Catalytic Converters

    Engine & Gearbox
    Hi Apologies if this has been discussed before but have searched and not found anything. What are the pros and cons of replacing the catalytic converter with straight pipe? Is "tree hugging" the only reason to replace like for like? I've read that you get performance and efficiency savings by...
  5. 2 Stroke Question

    Engine & Gearbox
    Hello all, Been reading the forum a lot these past few days, its great T:. I have read some good threads relating to the questions I am about to ask, but couldn't find the exact answers. I have a 2003 ACV TDi T4 syncro. It has done 120,000 kms which I believe is about 75,000 miles. I was...
  6. Bag of Spanners - intermittent

    Engine & Gearbox
    I have the dreaded "Bag of Spanners" noise, loud, coming from the middle of the underside. I assume it is the catalytic converter breaking up, except it is intermittent. I first noticed it when my foot was on the brake pedal after stopping, leading me to think it might be the brake servo...