Author Topic: Strange knocking sound (Read 4454 times)

brumble · « **on:** June 30, 2007, 01:41:56 pm »

Hi to everyone

This is the first time i post here so please bear over with me

I have recently changed the timing belt and valve seals on my 1.6 d Golf II, at the same time i got hold of a turbo kit for my n/a motor and of course i mounted this

The engine starts up and runs fine even when revving it, but when driving and stepping on the accelerator the engine gives off a strange metallic knocking sound, this sound wears off when the desired speed is reached. I am currently running 0,6 Bar boost. could anyone please help me find out what this is?
Any help is greatly appreciated.

Best regards
Brumble

jtanguay · « **Reply #1 on:** July 01, 2007, 07:04:21 am »

i don't know if this applies, but my transmission makes some weird noises before it hits 2k rpm or so...

brumble · « **Reply #2 on:** July 01, 2007, 08:12:33 am »

Hi,
Thanks for the answer, but i seriosly doubt this sound is coming from the tranny. The reason being that I have been using this tranny for a long time, and I have never had any issues with it. Any other ideas what it might be?

jtanguay · « **Reply #3 on:** July 01, 2007, 05:38:56 pm »

try double checking your timing. did you use the timing instructions from the Bentley? hopefully it isn't a valve just barely smacking a piston :shock:

mine also made a weird noise like that... but it goes away when warm and since i put in 5w50 oil. almost sounds like a valve is sticking... she still runs good though!

bevboyy · « **Reply #4 on:** July 02, 2007, 07:32:43 pm »

hydraulic or solid lifter head? Could be a sticky lifter.

brumble · « **Reply #5 on:** July 03, 2007, 08:38:49 am »

Hi.
Thanks for your answers. Have just double checked my timing and it was ok

My engine has the letters CR stamped into the block, somewhere on the web i found this to be a solid lifter. How would I go about to check the lifters?

jtanguay · « **Reply #6 on:** July 03, 2007, 08:42:46 am »

you need a feeler gauge to measure the clearances, then buy shims and voila. a bentley manual at this stage is invaluable.