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February 13th, 2008, 17:27
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#16
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Veteran Member
Join Date: May 2000
Location: Exeter,NH
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My Graf (metal imp.) pump is leaking at 84k. I will be trying the Laso this time. My factory pump had 201k on it and i only changed it because of the miles.
(edit)
Upon further inspection it is not a bad pump. The o-ring was pinched when i put it in. Why it went for 80k b4 it leaked is weird but, I put in a new o-ring and it will go for another 20k b4 i replace everything.
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01Golf(385k), 2013 Mustang V6 28-30 summer mpg, 2016 F150 RCSB 2WD 2.7L ecoboost.
Last edited by jayb79; February 16th, 2008 at 22:45.
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February 13th, 2008, 17:46
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#17
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Veteran Member
Join Date: Apr 2005
Location: Stafford,NY (WNY)
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This past fall,the water pump on my A3 had to be replaced after about 40k-metal impeller -but it was shaft bearing going to hell.If I ever get an A4,I will keep this in mind.
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February 13th, 2008, 17:54
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#18
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Veteran Member
Join Date: May 2000
Location: Exeter,NH
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Does anyone know were i can get the Laso pump without buying the kit? I am off to start the search.
Some time later.....
found one at impex
http://www.worldimpex.com/parts/laso...mp_249028.html
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01Golf(385k), 2013 Mustang V6 28-30 summer mpg, 2016 F150 RCSB 2WD 2.7L ecoboost.
Last edited by jayb79; February 13th, 2008 at 18:28.
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February 13th, 2008, 18:24
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#19
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Member
Join Date: Jul 2006
Location: White Rock, BC
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Aaron, aka Bleached Bora sells the Laso Brass....$50. Awesome service!
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2000 Golf TDI
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February 14th, 2008, 07:23
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#20
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Veteran Member
Join Date: Aug 2006
Location: Daphne, AL, USA
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Quote:
Originally Posted by tdidieselbobny
-but it was shaft bearing going to hell.
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That's exactly what failed on my ALH. Except that it was the factory resin impeller pump that had not been changed by the dealer when the prior owner had the dealer do his TB job - which, BTW, was a 'mark & pray' job. That pump failure damn near cost me an engine.
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Living outside the statist quo... "All the disasters that have wrecked your world came from your leaders' attempts to evade the fact that 'A' is 'A' ." -- John Galt | On Google+
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March 24th, 2009, 06:46
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#21
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Veteran Member
Join Date: Aug 2003
Location: Saint Paul (ex-San Diego)
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Bump for this thread, requesting more opinions or more anecdotal evidence, or hopefully a link to any studies or tests of water pump reliability.
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'03 Golf with 693k miles: Bosio DLC 764, GT1749VB, PP 2.5" downpipe, Malone tuning, VR6/G60 clutch/flywheel, Bilsteins, Recaros, Akebono pads/Brembo rotors, Cat filter with Nicktane head, DG Panzer w/FMJ, Nokian snows, TDT/Delvac1
TDI Trusted Mechanics by jwlionking TDI Search Engine https://cse.google.com/cse/publicurl...44:_idbzjdyxdm
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March 24th, 2009, 10:45
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#22
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Veteran Member
Join Date: Jul 2007
Location: Blaine, MN
Fuel Economy: 42/46/51 with 5 speed - was 36/40/42 with 01M
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I do know to stay away from anything Meyle branded that has a bearing. Had a large idler roller start flinging grease after only 80 miles. Upon discussion with Franko6, he informed me of their issues.
Frank supplied me with a Hepu metal impeller pump, has been fine so far.
I'm curious about the OEM "resin" impeller pumps, how many fail before the interval is up? Or are all the failed ones already past their interval from dealers and other shops not changing them with the TB? I know Harvieux (Leonard) has mentioned several times that he prefers the resin pump for the same reasons that DBW mentioned.
Personally, I will probably go with the brass one next time around...it has to be close to the resin one in terms of keeping cavitation to a minimum.
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March 24th, 2009, 12:11
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#23
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Member
Join Date: Oct 2002
Location: Western Connecticut
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I've noticed more than a few pumps w/ resin impellers, although working ok, have longditudinal cracks in the vanes. I've also seen them in the pics posted here if the image was clear enough. Not all of the pumps were in service an abnormally long time (>60Kmi) either. Metal impellers make me feel more secure :-).
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'96 B4V (orig owner), Shine susp w/ Bilstein ... '06 Jetta pkg2 DSG ...'99.5 Jetta ALH, VR6 springs, G60 clutch
'84 Jetta (spare parts FUN) 1.8 RD eng, knocksnsr ign conversion, match port A2 throttle body, Techtonics dwnpipe & exhaust, GTI / Boge gas susp
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March 24th, 2009, 12:43
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#24
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Join Date: Oct 2003
Location: Gresham, Oregon
Fuel Economy: Depends on the vehicle
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For what it's worth I've had the following returns:
3 LASO water pumps (MK4)
4 Graf (MK4, including my own leaker in the MK3)
0 Hepu (MK5)
1 Bosch (A3/B4)
0 Saleri (MK4)
The Saleri is a resin, it's in my own Golf, for reasons like what Drivbiwire mentions I prefer this pump. That said, my default is a Laso/Graf or Hepu in my MK4 kits with an option for the Saleri.
The only current source I know of in North America for Laso pumps has discontinued them (I actually bought them out when I heard this). I looking for other sources, but the days of Laso pumps are numbered here in the US as far as I know, if another source isn't found...
-BB
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March 25th, 2009, 00:59
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#25
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Join Date: Nov 2006
Location: Front Range, Colorado
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Laso w/ brass impeller is the best; Geba is the worst!
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July 5th, 2009, 08:52
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#26
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Veteran Member
Join Date: Aug 2003
Location: Saint Paul (ex-San Diego)
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bump, to see if the options have changed.
__________________
'03 Golf with 693k miles: Bosio DLC 764, GT1749VB, PP 2.5" downpipe, Malone tuning, VR6/G60 clutch/flywheel, Bilsteins, Recaros, Akebono pads/Brembo rotors, Cat filter with Nicktane head, DG Panzer w/FMJ, Nokian snows, TDT/Delvac1
TDI Trusted Mechanics by jwlionking TDI Search Engine https://cse.google.com/cse/publicurl...44:_idbzjdyxdm
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July 5th, 2009, 21:38
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#27
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Veteran Member
Join Date: Aug 2003
Location: Saint Paul (ex-San Diego)
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Quote:
Originally Posted by TornadoRed
Regardless of which design is best, the customers have spoken and the TB kits vendors have listened -- no more plastic (resin) impellers.
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TDIParts.com still says "metal impeller" but the photo seems to be of a water pump with a brass impeller.
Boraparts.com says "Graf/Hepu or Laso metal Waterpump".
MetalManParts.com says "Graf or German made HEPU water pump with metal impeller".
Dieselgeek.com still shows "Laso water pump... with brass impeller".
WorldImpex.com says "Hepu water pump" but no other information.
__________________
'03 Golf with 693k miles: Bosio DLC 764, GT1749VB, PP 2.5" downpipe, Malone tuning, VR6/G60 clutch/flywheel, Bilsteins, Recaros, Akebono pads/Brembo rotors, Cat filter with Nicktane head, DG Panzer w/FMJ, Nokian snows, TDT/Delvac1
TDI Trusted Mechanics by jwlionking TDI Search Engine https://cse.google.com/cse/publicurl...44:_idbzjdyxdm
Last edited by TornadoRed; July 5th, 2009 at 21:47.
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July 6th, 2009, 06:20
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#28
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Join Date: Apr 2001
Location: Oregon, WI
Fuel Economy: 13.7 c, 12-15 towing hwy. 17-19
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As far as I know Laso pulled out of the U.S. There has been a big rash of failures lately of the ones I installet in late 06'-early 07'.
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October 23rd, 2009, 17:51
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#29
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Veteran Member
Join Date: Oct 2009
Location: Washington State
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Ah man. That is the last thing I want to hear before I install my Laso tomorrow along with the TB upgrade kit I just bought from Diesel Geek. By the way, can you over tension the TB in a MK4 ALH?
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October 23rd, 2009, 18:15
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#30
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Veteran Member
Join Date: Jan 2005
Location: DE
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Installed 3 Graff from diesel geek and tdiparts T-belt kits , no leaks yet
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2004 Golf TDi 412K, 87 Rocco
2016 Toyota Corolla S
2016 Golf TSI ( reinforced metal oil pan , VCDS tweaks)
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