Recent Topics
Looking for a budget steam cleaner
by 2008wrx. 12/10/18 05:04 PM
3.3 V-6 in 2017-18 Santa Fe engine concerns?
by blupupher. 12/10/18 05:00 PM
(NEW) NAPA ProSelect 21060 Cut Open
by rooflessVW. 12/10/18 04:19 PM
True or false
by 53' Stude. 12/10/18 04:15 PM
First repair on Jeep
by OVERKILL. 12/10/18 03:06 PM
Eureka vacuum beater bar
by Donald. 12/10/18 03:04 PM
Talk about keeping ones lungs clear
by BMWTurboDzl. 12/10/18 01:50 PM
Notorious Parts
by DoubleWasp. 12/10/18 01:04 PM
2007 Yaris no oil when draining
by Audios. 12/10/18 12:10 PM
Raptor 700- M1 vs. T4
by Torch94. 12/10/18 11:38 AM
Unusual 75W-90 Cold Specs
by badtlc. 12/10/18 10:39 AM
BITOG Mobile Login
by RamFan. 12/10/18 10:20 AM
Rehab cast iron cornbread mold
by bcossa2001. 12/10/18 07:58 AM
Beware Youtube
by SilverFusion2010. 12/10/18 06:35 AM
Where do you normally change your oil?
by ZZman. 12/10/18 04:54 AM
Newest Members
Maputocar, ESTEBAN, Torch94, EvilFox, Hawkerpilot05
66643 Registered Users
Who's Online Now
92 registered members (2oldtommy, 53' Stude, 2008wrx, Astro14, BadMonkey, 9 invisible), 1,942 guests, and 37 spiders.
Key: Admin, Global Mod, Mod
Forum Statistics
Forums67
Topics294,882
Posts4,923,646
Members66,643
Most Online2,553
Oct 27th, 2018
Donate to BITOG
Previous Thread
Next Thread
Print Thread
Hop To
avalanche water pump #4656410
02/04/18 09:51 PM
02/04/18 09:51 PM
Joined: May 2010
Posts: 9,456
out there
spasm3 Offline OP
spasm3  Offline OP
Joined: May 2010
Posts: 9,456
out there
Since I'm working on the AV 4wd. I need to do some maintenance. I will be changing hoses and coolant, belts, plugs and wires. Trans fluid, transfer case fluid. Probably diff fluid as well.

I'm thinking of changing the water pump. Last summer it seemed that the engine temp was stable under 2700rpm. Every time i went over that for any period of time the temp started rising quickly( This was towing my camper). I don't know if the stock pump has a plastic impeller or not. but i feel better changing it while i'm doing the hoses.

I see 2 pumps on rock auto that state metal impeller
1. Gates 45006 includes thermostat and housing and gaskets. $98.79
2. ACdelco oe 251743 includes gasket but no thermostat or housing. $121.79

The gates pump lists impeller rotation as reverse.
The ACdelco lists impeller rotation as standard.

So, if i buy the ac delco pump, i need the thermostat and housing. There is a note on the listing for thermostat housings that states if pump has been replaced with a 2004 or newer pump, you must use the 2004 thermostat housing.

I have no idea if the pump i buy would be the newer design. So I don't know what housing to buy.

If i buy the gates combo , will i have a rotation problem, or is this just a technical mistake?

http://www.rockauto.com/en/moreinfo.php?...453&jsn=453

http://www.rockauto.com/en/moreinfo.php?pk=1390525&cc=1411894&jsn=452

Last edited by spasm3; 02/04/18 10:01 PM.

13 elantra 72k 5w30 QSUD
03 chevy avalanche 80k synpwr 5w30
17 mazda cx-5 7300 miles m1 0w30
Re: avalanche water pump [Re: spasm3] #4656421
02/04/18 10:01 PM
02/04/18 10:01 PM
Joined: Nov 2017
Posts: 683
South Carolina
eyeofthetiger Offline
eyeofthetiger  Offline
Joined: Nov 2017
Posts: 683
South Carolina
Both pumps have a smooth pulley, which indicates rotation that is the reverse of crankshaft. I'm pretty sure that all of the Chevy trucks with that engine use the same water pumps. And yes, there are slight variations in the thermostat housings, so make sure to get the one that matches the water pump.
I usually like the AcDelco parts since they are supposedly "Original Equipment", but the Gates is probably fine.


2017 Ford Fiesta 1.0T - Valvoline SynPower 5W-20, Motorcraft FL910S
1988 GMC K1500 4.3/700R4 - Supertech 15W-40, Fram TG3980
1986 Ford Ranger 2.0 - uhh
Re: avalanche water pump [Re: spasm3] #4656432
02/04/18 10:12 PM
02/04/18 10:12 PM
Joined: Feb 2007
Posts: 84
Maryland
chemman Offline
chemman  Offline
Joined: Feb 2007
Posts: 84
Maryland
I believe if you purchase the Gates pump, it will not have an impeller rotation problem. I believecthe impellers in both the ACDelco and the Gates pumps for the 5.3L engine rotate in the same direction. About 2.5 years ago I put a NAPA branded Gates pump on my '99 Silverado with the 5.3L and have not had any problems. I did not even take impeller rotation into account. I did not purchase the water pump that came with the thermostat and housing.

The water pumps for the 1999 and 2003 5.3L engines are the same part number.

Also, the Gates thermostat\housing assembly that I purchased from RockAuto fit perfectly into the water pump.


92 Olds 88 Hav 5w30 PL/L24011
99 Buick Century Hav 5w30 PL/L24011
99 Silverado 5.3L Hav 5w30 PL/L25288
04 TrailBlazer 4.2L Hav 5w30 PL/L25288
Re: avalanche water pump [Re: spasm3] #4656451
02/04/18 10:35 PM
02/04/18 10:35 PM
Joined: Dec 2013
Posts: 2,098
socal
barkingspider Offline
barkingspider  Offline
Joined: Dec 2013
Posts: 2,098
socal
When I replaced my WP, hoses, thermostat in my Escalade, I went OEM cuz I knew I was going to keep the truck for a long time if not forever. The extra cost is a drop in the bucket after a couple years. With that, I have had no problems w the Gates products I have used.


06 Cadillac Escalade Ext
17 Cadillac ATS (wife)
05 Toyota Camry (daughter)
11 GMC Canyon off-road (daily)
Re: avalanche water pump [Re: spasm3] #4656452
02/04/18 10:39 PM
02/04/18 10:39 PM
Joined: Jul 2017
Posts: 360
PR CA, USA
2strokeNorthstar Offline
2strokeNorthstar  Offline
Joined: Jul 2017
Posts: 360
PR CA, USA
I don't know what happened to ACDelco but the quality is all over the place. Did they sell the name? Some stuff is just junk, no better than Duralast or parts store brand. I don't think the AC Delco from any store is the same as the dealer. Or is the dealer now selling lower quality stuff too?

Re: avalanche water pump [Re: spasm3] #4656454
02/04/18 10:41 PM
02/04/18 10:41 PM
Joined: Aug 2004
Posts: 1,401
VA
Rhymingmechanic Offline
Rhymingmechanic  Offline
Joined: Aug 2004
Posts: 1,401
VA
I've been shopping the same parts for my 2001 Silverado, because my AC Delco "Professional" pump is starting to leak after about 40,000 miles.

First, the standard rotation note must be a misprint. All of the V-8 pumps are the same.

The two part numbers you linked will both take the new style thermostat and housing. The part number I bought last time is no longer available, and I remember there being two choices each for AC Delco OE and Professional lines. Rockauto lists two different Cardone pumps, but everyone else must be phasing out the old style.

I'm considering the AC Delco OE pump this time.

Re: avalanche water pump [Re: spasm3] #4656457
02/04/18 10:43 PM
02/04/18 10:43 PM
Joined: May 2012
Posts: 953
Rio Rancho, NM
Pajero Offline
Pajero  Offline
Joined: May 2012
Posts: 953
Rio Rancho, NM
You know your getting the right parts with OEM. Good luck!




Respectfully,

Pajero!


Always remember "Planned obsolescence."

1994 Montero SR 3.5 DOHC, 133,xxx
Fram Ultra/ Snorkel with Pre-filter
K-9-Co-pilot
Re: avalanche water pump [Re: spasm3] #4656461
02/04/18 10:48 PM
02/04/18 10:48 PM
Joined: Feb 2007
Posts: 84
Maryland
chemman Offline
chemman  Offline
Joined: Feb 2007
Posts: 84
Maryland
ACDelco now has at least 3 levels of quality. Their ACDelco Advantage line is for the value conscious person, and is likely at the low end of the quality parts scale. Then there is the ACDelco Professional line aimed at repair shops and serious DIYers looking for an OE equivalent part, and then they have the ACDelco GM Original Equipment line of parts which are supposed to be the actual parts used in GM factories.


92 Olds 88 Hav 5w30 PL/L24011
99 Buick Century Hav 5w30 PL/L24011
99 Silverado 5.3L Hav 5w30 PL/L25288
04 TrailBlazer 4.2L Hav 5w30 PL/L25288

BOB IS THE OIL GUY® Powered by UBB.threads™