Darren Motamedy Posted July 16, 2006 Report Share Posted July 16, 2006 My TR7's water pump is making a terrible screaming noise. I'm assuming I need a new water pump. Has anybody used the AC Delco water pump or the Napa water pump for the TR7-Saab 99? If so, are there any issues that I should be aware of before purchasing one, and then installing one since it's not stock? Thank you, darrenmotamedy@comcast.net Quote Link to post Share on other sites
Guest dolomiteman Posted July 24, 2006 Report Share Posted July 24, 2006 My TR7's water pump is making a terrible screaming noise. I'm assuming I need a new water pump. Has anybody used the AC Delco water pump or the Napa water pump for the TR7-Saab 99? If so, are there any issues that I should be aware of before purchasing one, and then installing one since it's not stock? Thank you, darrenmotamedy@comcast.net I highly doubt it is your water pump screaming; they are generally silent. Do you have a viscous coupling fitted behind the fan; this would be number one suspect for me, number two would be alternator bearings - try running the engine briefly with the fan belt disconnected... Quote Link to post Share on other sites
jonlar Posted August 9, 2006 Report Share Posted August 9, 2006 Check belt tension as well - slightly slackness can cause the screeching, or water on it causing slight slippage. Quote Link to post Share on other sites
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