10ga Posted December 13, 2011 Share Posted December 13, 2011 The wife's 2000 GD300 started making a strange sound today. To me it almost sounds like a vacum sound around the timing belt cover. It does it at idol and while running under load. I was thinking maybe a water pump? Quote Link to comment Share on other sites More sharing options...
pj8708 Posted December 14, 2011 Share Posted December 14, 2011 The wife's 2000 GD300 started making a strange sound today. To me it almost sounds like a vacum sound around the timing belt cover. It does it at idol and while running under load. I was thinking maybe a water pump? Hi 10ga, Welcome to the Lexus Owners Club and the 136,000 members around the world. Your question is a little vague...could you explain some more about the noise. For example, how did it start, what kind of driving were you doing, have you had any previous engine repairs, or any maintenance work done recently. How many miles on the GS? WHY do you think it's the water pump and what would you like a LOC member to help you with....confirm your suspicion, maybe offer another option for the solution. Look forward to hearing from you. Paul Quote Link to comment Share on other sites More sharing options...
10ga Posted December 14, 2011 Author Share Posted December 14, 2011 I figured it out, it has a bad Tensioner Pulley. I have one on it's way but I'm still having sticker shock........$215 at Lexus. After market part was $185 so I decided to go with the Lexus part. Quote Link to comment Share on other sites More sharing options...
pj8708 Posted December 14, 2011 Share Posted December 14, 2011 I figured it out, it has a bad Tensioner Pulley. I have one on it's way but I'm still having sticker shock........$215 at Lexus. After market part was $185 so I decided to go with the Lexus part. It's probably to late, but for future needs, the LOC has a relationship with Sewell Lexus in Dallas, TX. They offer hefty discounts on parts to all LOC members. Simply go to Sewellparts.com - and register as a Lexus Owners Club member. It would be interesting to know if they are cheaper that what you paid for the part you already purchased. Paul Quote Link to comment Share on other sites More sharing options...
lenore Posted December 14, 2011 Share Posted December 14, 2011 was the tension pulley for the Timing belt? if so sewell has it for around $90 http://lexus.sewellparts.com/oem-catalog/1302130120-EngineAndFuel-GS300-2000.html Quote Link to comment Share on other sites More sharing options...
10ga Posted December 15, 2011 Author Share Posted December 15, 2011 I appreciate the information. It was part #16620, the TENSIONER ASSEMBLY for the drive belt. Price was $192.22. I got it this afternoon and put it on, everything works and sounds the way it's suppose to again. Thanks for the help and feedback. Quote Link to comment Share on other sites More sharing options...
10ga Posted December 15, 2011 Author Share Posted December 15, 2011 I do have another question that maybe you can help me with. The headlight covers are really oxidized, what is the best product to clear them back up? I would also like to put some better headlight on it, any suggestions? The ones that are on it are not very bright but I'm sure the condition of the covers has some to do with it. Quote Link to comment Share on other sites More sharing options...
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