Astra has been parked up for 2 months unused. I started it today and had trouble moving forward or in reverse. I eventually put it in first gear and gave it a bit more acceleration that usual. There was a big bang when car started to move. (This didn't alarm me as I used to have a Corsa that did...

Hi, Story is.. Astra h 1.9cdti 2005 last dyno'd 2 weeks ago at 188bhp & 359 ft lb of torque.. in the last year has had, alternattor & battery. Intake manifold, egr & blanking plate. Remap (regal). FMIC. cambelt & water pump Getting annoyed now at how every time you fix one thing, another...