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Timing belt nightmare.

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rockauto water pump timing belt timing belt nightmare timing belt problems
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#21 ·
SparkyJJO said:
No such thing as an OEM "kit." You can get the OEM parts, but news flash, at least some of those parts are Aisin anyway.
Click to expand...
Bernandi has one but I don't think it includes everything. I don't know enough to know what it doesn't include. It isn't a kit as much as them putting the parts together for you.

www.bernardiparts.com

Honda Timing Belt Kit

This Honda Timing Belt kit includes the parts recommend by Bernardi Honda that should be replaced when doing a timing belt job.
www.bernardiparts.com www.bernardiparts.com

Definitely having second thoughts about the tried and true rockauto source Aisin kit I have on the way. Wonder if I should just have them leave the OEM water pump in there, since it was replaced once before.
 
#23 ·
Mine arrived today. Looks like all the parts are marked as made in Japan, except the hydraulic tensioner. That just says Aisin in ink on it. I'm a decent parts changer but not a mechanic but I thought the hydraulic tensioner was what goes bad eventually in this set up. I'm thinking about getting a water pump and maybe that tensioner from the local Honda dealer, since I'm supposed to drop the van off Thursday at a local independent mechanic to have the kit installed along with having the valves adjusted. Van has 218K on it. The timing belt was changed at a dealer around 105K, and we're going on a trip next week. Valves haven't been adjusted.

I was all set until this thread popped up!
 
#24 ·
hoosiervan said:
I was all set until this thread popped up!
Click to expand...
Aisin is an (and maybe THE) OEM supplier for water pumps on a number of Japanese engines. Based on a VERY long history with Aisin parts, my first guess on this whole thing is a poor quality pump was returned to RockAuto and got repackaged or something - I can't imagine why they would put out an inferior product.

On many (most?) Toyota engines, if you get the Aisin part, it is the EXACT SAME part as OEM with the Toyota logo ground off...

-Charlie
 
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#26 ·
I just got my van back, and everything thankfully went smoothly with the Aisin kit. No complications, and the van drives exactly the same as it did before. No new noises etc (which is to be expected).

I wouldn't hesitate to buy the Aisin kit again for my next timing belt service.
 
#27 ·
And that is why you don't let one thread dissuade you.
 
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#28 · (Edited)
michaelburkeens said:
Short version
Take wheel well out and get a shop to breake the crank bolt or have one he** of a impact.
Do not buy the rock auto askin timing set. Mine was absolute garbage of a water pump and caused belt walking. Go oem at least for waterpump.

Started off great. Got the spark plugs out perfectly. Which I thought would be horrible, for the back ones. Figured out how to unclip the computer Was going great till the crank bolt. Got the right weighted socket. A 1050 foot lbs breakaway, supposed to be, electric impact. No dice. Used the pully holder and a 2 foot pipe on the breaker bar, leg pressed it. No luck. Put everything back together and took to the local shop. They had to use a 4 foot bar two good old boys pulling, to break it loose.
Ok, back to the house. Got it all apart and lined up. Installed the piece of crap rock auto askin timing set. Water pump at least. I did not look it over to see that the machining was not done around the tensioner pulley mounting surface. Just looked for the name. Luckily I ran the crank around six times, looked at the marks, perfect line up. The belt walked off the tensioner pulley about a third. Pushed it back on same thing happened. Had to get it back on the road. Took everything back off and put original water pump back on. No more walking belt. Everything is now prefect. My opinion the rock auto water pump is absolute garbage. Oh a c clamp works great to push the cylinder back and get the pin in. At leat now I can do a timing set now in about 2.5 hours. I will post some pictures when I find the water pump in the woods.
Hope this helps someone. View attachment 184597
Click to expand...
Do you have any more pics - preferably showing both sides and the entire pump?
 
#29 ·
I've had issues with parts that must have been returned and then re-sold to me from RockAuto and Amazon. Recently I bought an electric fuel pump from Amazon. It was clearly an old used pump someone had returned. I've also been sent the wrong part in the correct box. Or have missing parts because the cheesy packaging broke and small parts dropped out along the way.
After being burned several times with parts problems, I now look over the parts I have bought before I start work on the car.
Seems like these types of problems are getting worse as some people have figured out they can game the system by buying a new part and then returning the old part and get their money back.

These are different problems than the manufacturing defect from the OP. But perhaps an inspection of the water pump would have found the problem before work started. Luck yfor him he took the time to rotate the engine by hand which exposed the issue. Some people would not take the time to do this and in this case the result would have been the end of the engine.
 
#31 ·
Just to report back on what I decided to do - after I got spooked by this thread and at the advice of my brother who is knows these cars in and out but lives too far away to help, I ended up buying all the Honda parts with the costco discount and had an independent mechanic install them. I saved the aisin kit I bought for our son's 03 accord since that will never see many miles or get too far from home. I'm convinced the pulley bearings and hydraulic tensioner are exactly the same parts - the water pump is the one thing different.

Anyway, we had an independent mechanic install the honda parts on the van, who previously was a mechanic at a honda dealer, and left for vacation the next day. We put almost 2K on it round-trip, and while everything seems to run fine, there's a whirring sound that I can hear from the driver's seat but not really under the hood. It isn't all that loud but it's bugging me because I can't figure out what it is. I'll need to stop by the mechanic and get his input. Hopefully something wasn't installed wrong.
 
#32 ·
I bought 2 aisin kits from Rockautp recently for our vans and the both looked good and installed fine. I did however, have an issue with one idler pulley bolt I bought from the local dealer. It caused some 'clicking' noise as the belt skipped on the pulley. Put old bolt back on and no noise. Was able to get dealer to warranty the bolt (showed videos to prove) and new new bolt was fine. So yeah, even OEM parts can have the occasional defect.
 
#33 · (Edited)
michaelburkeens said:
I did not look it over to see that the machining was not done around the tensioner pulley mounting surface.
Click to expand...
I am going to be doing this soon and I was planning on using the Aisin kit (still might). I spent about 45 minutes looking for the issue that you encountered on your water pump, and I couldn't identify it. What is the issue with this Aisin water pump? What should have been machined on it to make it work properly and not walk the timing belt off?

EDIT: Nevermind, I found the machined portion on an OEM part. Pic below.
Image
 
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