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10 votes

My Toyota dealer replaced my water pump and failed to replace my coolant

It is unlikely that you would be able to drive a car without coolant for three weeks. I suspect what actually happened is that there was a coolant leak, possibly (probably) as a result of the work ...
Steve Matthews's user avatar
5 votes

Renault Kangoo overheating - Waterpump? Thermostat?

There appear to be three problems here: Loss of coolant, and Overheating, and also No heat. That's a lot of problems to have show up all at once, so it would be good if we could find a common ...
dlu's user avatar
  • 14.5k
5 votes
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Should I replace my timing components when I replace the water pump?

Given that the water pump is in such a bad condition it could be that rest of the timing related parts (idler, tensioner, something else?) is in the same condition. I suspect the previous owner did (...
Martin's user avatar
  • 8,468
5 votes

Should I replace my timing components when I replace the water pump?

I would say you should replace the belt and tensioner while you are in there and everything is apart. If you really want to put the old belt back on I would consider: How close the vehicle is to the ...
rpmerf's user avatar
  • 8,403
4 votes

Should I replace my timing components when I replace the water pump?

The 98 Mazda 626 owners manual states the timing belt should be replaced every 105k miles, or every 60k miles if you drive in extremely cold weather (indirect source https://mazda626.net/topic/31256-...
Jason C's user avatar
  • 4,890
4 votes
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How can you tell if a water pump or water pump gasket is bad?

There are typically two ways to tell if a water pump is bad. The water pump won't turn. The water pump is leaking. In the event of a water pump not turning, the belt driving it will usually be ...
Dalton D's user avatar
  • 1,958
4 votes

Should I replace my timing components when I replace the water pump?

It it was my car, I'd do the timing gear whilst it was apart. I'm not a fan of reusing timing belts if they have to be disturbed plus it's a good opportunity to do it whilst everything is already in ...
Steve Matthews's user avatar
4 votes
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Leaking(Cracked) Water Pump

While I know you're asking about fit specifically, keep the following in mind, which I found on a forum discussing the differences between the N54 and N52: Both engines have an electric coolant ...
Lathejockey81's user avatar
4 votes
Accepted

Volvo 2.0D engine "self-oscillates" after changing timing belt and adjusting fuel-injectors

Please state the exact engine code, it would be also nice to know the exact work that he did there. Just some informations on injector maintenance: Injector maintenance is a very complicated thing, ...
Martin's user avatar
  • 8,468
3 votes

Testing / checking a water pump

What I did to diagnose a problem with the water pump on my 98 Mazda 626 was to drain the coolant, remove the thermostat and use a cheap PC based endoscope I got off Amazon to visualize the water pump ...
Robert S. Barnes's user avatar
3 votes

Leaking(Cracked) Water Pump

In my travels, I haven't seen an aftermarket water pump listed for both the N52 and N54 engines. There are N54 water pumps with stronger materials though. You may wish to try one of those. And as has ...
tlhIngan's user avatar
  • 12.2k
3 votes
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Reusing a Metal Water Pump Gasket

Metal and malleable material gaskets (like are found in GM intake gaskets), can be reused if there isn't any apparent damage to them. Even some MLS (multi-layered steel) head gaskets can be reused ...
Pᴀᴜʟsᴛᴇʀ2's user avatar
3 votes
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VW Mk4 TDI (ALH) – Suggestions for Removing Stuck Water Pump

So what ended up working for me was to cut a piece of 1x2 lumber (I couldn't fit a bigger piece from above) about 24" long and I braced it against the pump drive cog and pounded on it with a five ...
dlu's user avatar
  • 14.5k
3 votes
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2003 Kia Spectra - New radiator cap for a new radiator?

No. Reusing the radiator cap (almost certainly) didn't cause the water pump failure. The advice to replace the cap is probably based on the logic that the cap is a relatively inexpensive part and ...
dlu's user avatar
  • 14.5k
3 votes

When should water pump and radiator be changed

In general for cars which have cambelt driven water pumps like the R32 (I believe it still uses one?), you change it out when you change the cambelt. It's just good practice and you'll find most ...
Pᴀᴜʟsᴛᴇʀ2's user avatar
3 votes
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Coolant Leaks while Engine is Running on 2003 Hummer H2

The water pump tends to leak (more in some cases, or only in some cases) when the engine is running due to a few reasons: the pump causes a pressure difference in the system the cooling system ...
Solar Mike's user avatar
  • 34.7k
3 votes
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Tightening sequence for water pump bolts (Peugeot 406 1.8 16V)

If there is no tightening sequence listed in the service manual, I would just use a star pattern. Probably 1,3,5,2,4.
David Watson's user avatar
2 votes

What parts are usually changed when the timing belt is replaced?

Timing belt, timing belt tensioner, spark plugs and maybe spark plug wires, water pump, thermostat and all other belts. I also at that time drain my transmission fluid (not flush).
Kim's user avatar
  • 21
2 votes

Why would a water pump be run off of the timing belt?

Having snapped alternator and water pump belts in the past, I feel the most likely reason is engine safety. If it's a non-interference engine, having the timing belt drive the water pump ensures that ...
Jim W's user avatar
  • 1,935
2 votes

Leaking(Cracked) Water Pump

In terms of physical fit: you need a little more clearance at the back to accommodate the electrical connector with the aluminum pump. the mounting points look identical the coolant inlet and outlet ...
Zaid's user avatar
  • 39.2k
2 votes
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Could oily sludge in cooling system affect engine temprature?

Deposits(grease, rust or whatever) in your cooling system can restrict the waterflow, but that's not necessarily the (only) cause. These deposits also restrict the heat transfer from the iron block to ...
Bart's user avatar
  • 2,964
2 votes
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Why would a brand new water pump make noise?

Water pump noise is not common but does happen. Steady tone noise is more common such as groans or squeals. Rhythmic noise is less common. There are three rotating parts in a typical engine water ...
Fred Wilson's user avatar
  • 11.6k
2 votes

Blue Devil effect on water pumps

Blue devil is great but not for water pumps.I have used it many times to repair head gaskets,hell even in rotary motors.But it does destroy water pumps. 2 brand new weiand small block chevy water ...
Roy Baber's user avatar
2 votes

2004 KIA Sedona Timing Belt Replacement

I have not done this job on this engine specifically, but I can answer your question from experience with similar jobs. In researching this job, I did not find any "special" tools specific to Kia, or ...
CharlieRB's user avatar
  • 9,015
2 votes
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Can a water pump slowly fail?

When you replaced the thermostat, did you use a Subaru Thermostat? That's essential; the replacements available at car spares stores are NOT the same, and are often the cause of cooling system ...
PeteCon's user avatar
  • 8,712
2 votes

Can the weep hole of a water pump face upwards?

engineers put it there so it' eaiser to see. Dosn't matter about being on top or bottom,see coolant from that hole, shaft seal leaking,pull the pump.Being able to see the weep hole clearly,helps you ...
ed stroud's user avatar
2 votes
Accepted

Is this normal - scoring in the water pump housing?

I have never seen a used water pump without evidence of some scoring. Light scoring is normally due to particles that are swept around with the coolant, these can still be used. Heavy scoring, ...
Solar Mike's user avatar
  • 34.7k
2 votes

Removing stuck water pump - GM Corsa B

If you want to hammer it out, I suggest a rubber mallet. With a metal hammer the force of impact may transfer through the water pump and break other parts you are not intending to replace. ...
D. SM's user avatar
  • 683
2 votes
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Removing stuck water pump - GM Corsa B

If you have removed the three bolts surrounding the water pump, and the ultimate goal is to replace the water pump with a new one, just use a hammer and hit the water pump pulley. It should pop right ...
Pᴀᴜʟsᴛᴇʀ2's user avatar
2 votes
Accepted

How to fix a water pump squeal/screech?

Yes, I believe you have correctly diagnosed the problem. You should address this as soon as possible as the pump may seize up at any time. The squeal is your warning signal. If it seizes then you'...
jwh20's user avatar
  • 12.1k

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