09-07-2015, 08:06 AM
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#1
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Registered User
Join Date: Mar 2015
Location: Ellisville, MS
Posts: 102
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Newb advice needed
I just rolled 30k miles on my 01S. Purchased with 27k miles - it obviously sat for long periods of time. I've replaced IMS/RMS, CV joint, fluids & tires. At what point do I need to consider serpentine belt, AOS & water pump replacement?
Thanks in advance.
BTW, just ordered Smoked/Red DEPO tails...
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2001 Boxster S: Triple Black, Sport Package, Special Chasis Rigidly Tuned, Headlight Washers, Turbo Wheels, Litronics, Full Leather, 03 Top, Sumitomo HTR ZIII, IMS/RMS, Kenwood KDC-BT562U, DEPO Tails, Cocomats, KUDA Cellphone Holder, Ultimate Cupholders, Zaino Shine
PCA-MAGNOLIA
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09-07-2015, 08:14 AM
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#2
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Beginner
Join Date: Mar 2013
Location: Houston
Posts: 1,659
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It's really up to you. I'd do the serpentine belt now if I didn't know its age. The water pump and AOS may stay good for a long time, or fail soon. New are usually good for a long time after replacement which is why I change these things proactively before failure. Do you know how old they are?
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2003 S manual
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09-07-2015, 08:45 AM
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#3
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Registered User
Join Date: Sep 2008
Location: Agoura Hills (LA) So.Cal.
Posts: 1,574
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IMHO, the water pump should be done now. I have an '01 S with 26,000 miles on it and just did the water pump. Because it has composite impeller it can break loose apart and ruin the engine. Even though the pump baring may be good, the impeller is 14 years old. I believe the rule of thumb now is every four years it should be changed out. I was a tad late!
How was your IMSB? Was it a dual or single row?
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1995 Porsche C4 Cab
2016 BMW M2, 6 Speed LBB - ED 7/2016
1997 993 Cab - Sold; 1997 993 Turbo - Sold
2001 Boxster S - Original Owner - 30K Miles -SOLD
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09-07-2015, 03:34 PM
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#4
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Certified Boxster Addict
Join Date: Nov 2010
Location: Los Angeles
Posts: 7,669
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I would change the belt now and get the AOS and WP done when you have time (no huge hurry but they are nearly 15 years old).
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1999 996 C2 - sold - bought back - sold for more
1997 Spec Boxster BSR #254
1979 911 SC
POC Licensed DE/TT Instructor
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09-07-2015, 04:06 PM
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#5
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Registered User
Join Date: Mar 2015
Location: Ellisville, MS
Posts: 102
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Quote:
Originally Posted by Chuck W.
IMHO, the water pump should be done now. I have an '01 S with 26,000 miles on it and just did the water pump. Because it has composite impeller it can break loose apart and ruin the engine. Even though the pump baring may be good, the impeller is 14 years old. I believe the rule of thumb now is every four years it should be changed out. I was a tad late!
How was your IMSB? Was it a dual or single row?
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IMSB was double row. I essentially replaced a perfectly good bearing with a new bearing.... 
__________________
2001 Boxster S: Triple Black, Sport Package, Special Chasis Rigidly Tuned, Headlight Washers, Turbo Wheels, Litronics, Full Leather, 03 Top, Sumitomo HTR ZIII, IMS/RMS, Kenwood KDC-BT562U, DEPO Tails, Cocomats, KUDA Cellphone Holder, Ultimate Cupholders, Zaino Shine
PCA-MAGNOLIA
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09-07-2015, 04:07 PM
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#6
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Registered User
Join Date: Mar 2015
Location: Ellisville, MS
Posts: 102
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Thanks guys.
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2001 Boxster S: Triple Black, Sport Package, Special Chasis Rigidly Tuned, Headlight Washers, Turbo Wheels, Litronics, Full Leather, 03 Top, Sumitomo HTR ZIII, IMS/RMS, Kenwood KDC-BT562U, DEPO Tails, Cocomats, KUDA Cellphone Holder, Ultimate Cupholders, Zaino Shine
PCA-MAGNOLIA
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09-07-2015, 04:08 PM
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#7
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On the slippery slope
Join Date: Mar 2014
Location: Austin and Palm Springs
Posts: 3,794
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serp belt is not expensive and very easy to do. Takes longer to get access to it that to actually change the belt
My WP just failed, on an 04 with 72k miles
Its a relatively easy DIY
I have a recent thread with where I got everything. WP, thermostat and 3 gal coolant was ~$350
Certainly wont hurt to change out the WP and AOS
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2004 Boxster S 6 speed - DRL relay hack, Polaris AutoTop DIY
2004 996 Targa Tip
Instructor - San Diego region
2014 Porsche Performance Driving School
2020 BMW X3, 2013 Ram 1500, 2016 Cmax, 2004 F-150 "Big Red"
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09-07-2015, 04:09 PM
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#8
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Registered User
Join Date: Jan 2007
Location: BC
Posts: 1,312
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I would do the water pump now. Too much risk on that old plastic.
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2001 Boxster, 5 spd, Seal Grey
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