Sludge

[RASPUTINSS55]

Whats the best way to remove sludge from engine,I got like about a half inch of the crap under my valve covers.How bad does this affect performance ?My mama said stay away from used cars.

[inafogg]

HELLO,best to remove buy hand while covers are off.not sure what its called but you can buy a cleaner addative to flush.GOOD LUCK

[RASPUTINSS55]

Thanks

[angus10]

I would just carefully remove what you can by hand! And just use good quality detergent oil . If you flush it you will be risking leakes and possibly clogging the oil pick up screen.

[inafogg]

good point angus!!if its not effecting anything now maybe a few oil changes would be good info i was thinking it has already caused problems.

[jdmccright]

I'd check the PCV valve to make sure it's working. Sludge inside the cover usually means sludge in the PCV.