For using an electric water pump: (Granted this thread isn't just for 1.8ts) if using the A) 058 1.8t, uses an external v-belt/serp belt waterpump, for ~$60 you could get this 12v pump and be golden
Saleri is what I put in. No issues about a year in.
Changed it at 9 years / 93k. Belt was still fine but the water pump started to leak so did the timing belt job at the same time. Also upgraded the water pump with one with a metal impeller
I have a 2003 Boxster S with the later 3.2L three chain engine and six speed, with the later glass top which I bought 10 years ago. These are the sweet spot for the 986 in my opinion. This one now has 70k on it and other than maintenance (oil changes, filters, plugs, etc.), a water pump, brakes, an AOS, a clutch (before me), a window regulator and tie rod ends, it hasn't needed any work. Compared to other German cars at 21 years old, that is nothing. I did install a 996 instrument cluster, a factory valved PSE exhaust, factory console delete (recommended if you are tall) and some Alcantara trim.
I went with the all metal Pierberg pump for my E90, with an N54. The problem with the plastic is that it gets brittle due to thermo cycling, and that is s problem for all of the plastic parts in these engines (valve cover, radiator, expansion tank etc etc). I probably only have 10-15k km on this one so far, but no problems to report and some very long driving days.
New parts should be in tomorrow (Pierburg pump). I'll update again after everything is back in! As a small detail, I noticed a brown seal-looking thing stuck in the impeller of the water pump (Continental, BMW logo. Probably factory) I am thinking the pump internally failed while spinning, and the internals took the hit and self-destructed. Hence the total BSD failure code. Just a guess though.
2017 Q7 3.0T. Steadily using more oil over life of car. Now a quart every 350 miles. It doesnt have the power it used too. $1500 for a new water pump at 54,000 miles.
Years ago I would use the Gates kit on my 03 Evo with no issue, but a few years back I had a failure (from a different component) after 19k miles and the Gates pump was weeping when I removed it. The shop I use also doesn’t recommend them either so I go OEM for the water pump anymore.
water pump failed at 101,000. Shop replaced under warranty. That next one failed at 110,000. Took a little work since shop changed owners but got the the water pump replaced at no cost. Shop said the two bad ones were Gates
I had nothing but problems with Gates water pumps in my 4Runner - they would always start leaking profusely from the weep hole after a few days of use. Replaced it three times under warranty
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