Date: Wed, 26 Sep 2001 16:29:36 +0100 From: "Spencer" <spencer.suttonnopsamorld.com> Subject: Re: 1990 Saab 9000. wheres the wastrod?
Hi KeithG, So say for instance it is the timing chain, how would i go about adjusting that.. i've Actually got the rocker cover off at the moment, and would very much like to see if it is the chain... could you perhaps point me in the right direction? thanks in advace, spencer "KeithG" <noonenopsaml.com> wrote in message news:eC%r7.61548$Iq4.33528907nopsamoon.columbus.rr.com... > Rattling in the engine can be related to timing chain, I doubt a tappet, but > it is possible (balance shaft chains in later models). If the rattling is > audible while running, it could restrict power by giving a false 'knock > signal'. The DI/APC system uses the sparkplugs as part of the system. Make > sure that they are the right brand and type (NGK only, not a bosch or > champion 'equivalent'). Make sure that they are gapped correctly. The knock > sensor is screwed to the engine in the DI/APC cars as well IIRC. Probably > good to get the British manual on the 9k (no US manual available) or better > yet, the Saab manual and read up on the systems. > > Regards, > > KeithG > "Spencer" <spencer.suttonnopsamorld.com> wrote in message > news:NR3r7.2652$Ck.601916nopsam6-win.server.ntlworld.com... > > there is a rattling in the engine, i think its a tappet. that would of > > course restrict the APC function...if the knock sensor is in the DI > casstte > > how could i disable it? > > <davehinznopsamcop.net> wrote in message > > news:3ba8ee71$0$18899$272ea4a1nopsam.execpc.com... > > > KeithG <noonenopsaml.com> pressed random keys until the following was > > produced: > > > > Definitely needs to be inspected and adjusted. Go to the > www.saabnet.com > > faq > > > > on APC and boost for a good read in addition, the Townsend site has > very > > > > good information as well. > > > > > > Well, I don't know if it *definately* needs to be adjusted, just yet. > > > Perhaps your APC is backing the boost off, and your turbo wastegate is > > > just doing what it's told. Woudln't hurt to poke around the engine > > > compartment to see if there's anything rattling - if there is, the knock > > > sensor will "hear" that and think it's knock, which backs the maximum > > > boost down, giving similar symptoms to what you describe. > > > > > > > http://216.78.172.244/turbo_folder/turbo_apc_docs.htm > > > > for a primer on Turbo and APC, this site which tells how to put an APC > > on a > > > > brick has a good write-up. > > > > http://www.users.qwest.net/~qed/volvoapc/index.html > > > > > > Great sites, thanks for the links. > > > > > > Dave Hinz > > > > > > > > > > > >
 |
 |
 |
 |
 |
