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From: who where on 8 Aug 2010 21:40 On Mon, 09 Aug 2010 09:22:08 +1000, Jordan <jprincic(a)yooha.com.au> wrote: >Check also the harmonic balancer - the crankshaft pulley for the >serpentine belt is a wearing part. The bonded rubber vibration damper >becomes unbonded. You can see if it has let go, in the form of a crack >all around it. I replaced my wife's loudly-knocking one on her VS two >weeks ago. > >Gee, I never thought I'd be posting car hints here. The VL (RB30) doesn't have a serpentine belt. Your "hint" sounds more appropriate for a VN/VP.
From: Jordan on 8 Aug 2010 22:33 who where wrote: > > The VL (RB30) doesn't have a serpentine belt. Your "hint" sounds more > appropriate for a VN/VP. Oh sorry. Does it have a harmonic balancer? Jordan
From: Clocky on 9 Aug 2010 20:17 Jordan wrote: > Check also the harmonic balancer - the crankshaft pulley for the > serpentine belt is a wearing part. The bonded rubber vibration damper > becomes unbonded. You can see if it has let go, in the form of a crack > all around it. I replaced my wife's loudly-knocking one on her VS two > weeks ago. > > Gee, I never thought I'd be posting car hints here. > Harmonic balancer noises don't go away, they just get worse.
From: Clocky on 9 Aug 2010 20:18 who where wrote: > On Mon, 09 Aug 2010 09:22:08 +1000, Jordan <jprincic(a)yooha.com.au> > wrote: > >> Check also the harmonic balancer - the crankshaft pulley for the >> serpentine belt is a wearing part. The bonded rubber vibration damper >> becomes unbonded. You can see if it has let go, in the form of a >> crack all around it. I replaced my wife's loudly-knocking one on her >> VS two weeks ago. >> >> Gee, I never thought I'd be posting car hints here. > > The VL (RB30) doesn't have a serpentine belt. Your "hint" sounds more > appropriate for a VN/VP. That is true though not having a serpentine belt doesn't exclude it from having a balancer.
From: Clocky on 9 Aug 2010 20:20
Lars Chance wrote: > George Orwell wrote: >> I have a VL Commodore. The engine has been rattling like >> a bucket of bolts. The local workshop said do not go far, >> it is gunna blow up. My neighbour said put 30W70 oil in, >> she'll be right mate. It was due for a lube, so I >> tried that. And it did become quieter, but not until I >> drove it for half an hour. I understand that if the shafts >> are worn then a thicker oil might help, but I am perplexed >> by the delayed reaction. It is almost as if the oil has >> healed something. >> (That was 3 weeks ago, and still no conrods smashed their >> way out yet). >> > Is that the Datsun engine? > It's probably just the cam-chain that was rattling and the hydraulic > cam-chain tensioner that has responded to the thicker oil. VL has a belt, not chain. |