Knocking From 1900 8 Valve When Cold

[Guest ryan_NIGTI]

every morning when i start my 1900 8valve gti its becoming louder and louder with a knocking noise from what sounds like the bottom end ..as i drive down the road tho it quietens down ...the engine also seem very down on power now ...there is only 80k on the car tho i dont think it has the original engine

 

it makes good oil pressure and is run on castrol magnatec

 

any common problems known?

Edited December 25, 2008 by ryan_NIGTI

[Cameron 16]

Eeek! Sounds as if it could be a bit terminal.

I think big-end knock is more noticeable at low revs under load. You can get a socket extension bar and put it on different areas of the engine and hold the other end to your ear, like a stethoscope. Should be able to tell you fairly accurately where the knocking is coming from.

 

Ps Merry Christmas!

Edited December 25, 2008 by Cameron

[dcc 855]

As much as i would liek to lift your hopes, i too think your engine might need a new bottom end.

 

You can buy a new engine complete for circa £100, engine crane hire for £20 and a weekend of work (or a few hours if your feeling competant)

 

You might be lucky though, and able to get away with new bearings if your very lucky. but if you aren't it would be a huge waste of money. personally, I'd replace, or if your feel like it, gti6/mi16 route.

[Guest ryan_NIGTI]

yeh im thinking mi16 or maybe just go for another 8valve ...want it sorted tho ..its letting me down ...it cant be running more than 110bho at the min

[welshpug 1,657]

you'll be lucky to get 100!

 

drop the sump off and take a big end cap off to inspect the bearings, half hours work do it ASAP (i.e do not start the engine ever again till you've done so!) as you will render the whole lot scrap if something lets go.