Originally Posted by
Robo
Some research for a mate his zd is making a bearing like squeal noise.
His mechanic was pointing to turbo but listening to it-----
leaning over the top of mtr the noise seems to be coming from top front of motor to me,
around above viscus fan coupling area & closer to manifold
I ? his fan belt etc he informed me makes" same sound without belt so the mech said", so rules out tensioner etc.
??Is the manifold gasket multi shim??.
I ask that as the squeal sounds bit like (best I can describe )a wind instrument reed humming to me.
Thanks any help much appreciated.