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#1
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Timing best and water pump in Chevy Metro
My car is Chevy Metro 1998. Today I had the timing belt replaced by a
mechanic. After that a friend of mine said that in this type of car, a water pump was driven by the timing belt, so needed to be replaced too. Or the timing belt will need to be replaced again when the water pump fails later. I didn't see the mechanic did anything to the water pump, so may have to send the car back to him. But before that, I like to know whether my friend is correct or not. Thanks. |
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#2
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Timing best and water pump in Chevy Metro
On 17 Jul 2006 17:23:32 -0700, "Oak Pond" >
wrote: >My car is Chevy Metro 1998. Today I had the timing belt replaced by a >mechanic. After that a friend of mine said that in this type of car, a >water pump was driven by the timing belt, so needed to be replaced too. > Or the timing belt will need to be replaced again when the water pump >fails later. We always do timing belt and water pump both. The water pump may be fine, but its not likely it will last until the next time the timing belt service comes due. On this Metro the timing belt does not drive the water pump but, same difference because the water pump is under the timing belt and the timing belt has to be removed in order to replace the water pump. >I didn't see the mechanic did anything to the water pump, An ill-advised attempt to save you money or, perhaps, get the job by offering a low price. Don www.donsautomotive.com > so may have to send the car back to him. But before that, I like to know whether >my friend is correct or not. Thanks. |
#3
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Timing best and water pump in Chevy Metro
Don wrote: > On 17 Jul 2006 17:23:32 -0700, "Oak Pond" > > wrote: > > >My car is Chevy Metro 1998. Today I had the timing belt replaced by a > >mechanic. After that a friend of mine said that in this type of car, a > >water pump was driven by the timing belt, so needed to be replaced too. > > Or the timing belt will need to be replaced again when the water pump > >fails later. > > We always do timing belt and water pump both. The water pump may be > fine, but its not likely it will last until the next time the timing > belt service comes due. On this Metro the timing belt does not drive > the water pump but, same difference because the water pump is under > the timing belt and the timing belt has to be removed in order to > replace the water pump. > > >I didn't see the mechanic did anything to the water pump, > > An ill-advised attempt to save you money or, perhaps, get the job by > offering a low price. > > Don I can't disagree with anything you said. Maybe the guy was shopping price. If the mechanic charged him $62.50 for the whole job I'd be OK with it and take my chances on the pump lasting a little while. Any responsible shop would have advised the customer to change the pump unless the customer said "Do the absolute minimum." How many times has a shop heard these words?: "I'm just keeping this car for a few more miles." |
#4
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Timing best and water pump in Chevy Metro
Al Bundy wrote:
> Don wrote: > > On 17 Jul 2006 17:23:32 -0700, "Oak Pond" > > > wrote: > > > > >My car is Chevy Metro 1998. Today I had the timing belt replaced by a > > >mechanic. After that a friend of mine said that in this type of car, a > > >water pump was driven by the timing belt, so needed to be replaced too. > > > Or the timing belt will need to be replaced again when the water pump > > >fails later. > > > > We always do timing belt and water pump both. The water pump may be > > fine, but its not likely it will last until the next time the timing > > belt service comes due. On this Metro the timing belt does not drive > > the water pump but, same difference because the water pump is under > > the timing belt and the timing belt has to be removed in order to > > replace the water pump. > > > > >I didn't see the mechanic did anything to the water pump, > > > > An ill-advised attempt to save you money or, perhaps, get the job by > > offering a low price. > > > > Don > I can't disagree with anything you said. Maybe the guy was shopping > price. If the mechanic charged him $62.50 for the whole job I'd be OK > with it and take my chances on the pump lasting a little while. Any > responsible shop would have advised the customer to change the pump > unless the customer said "Do the absolute minimum." How many times has > a shop heard these words?: "I'm just keeping this car for a few more > miles." I had the car seen by a friend. He said the water pump was separate from the timing belt. So if the pump fails in the future, it can be replaced without touching the timing belt at all. But it may still be a good idea to change the water pump when replacing the timing belt. The technician provides service of coming to customer's house to work on the car. He may charge less than a regular shop. Thanks for your expertise and comments. |
#5
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Timing best and water pump in Chevy Metro
On 18 Jul 2006 14:21:16 -0700, "Oak Pond" >
wrote: >Al Bundy wrote: >> Don wrote: >> > On 17 Jul 2006 17:23:32 -0700, "Oak Pond" > >> > wrote: >> > >> > >My car is Chevy Metro 1998. Today I had the timing belt replaced by a >> > >mechanic. After that a friend of mine said that in this type of car, a >> > >water pump was driven by the timing belt, so needed to be replaced too. >> > > Or the timing belt will need to be replaced again when the water pump >> > >fails later. >> > >> > We always do timing belt and water pump both. The water pump may be >> > fine, but its not likely it will last until the next time the timing >> > belt service comes due. On this Metro the timing belt does not drive >> > the water pump but, same difference because the water pump is under >> > the timing belt and the timing belt has to be removed in order to >> > replace the water pump. >> > >> > >I didn't see the mechanic did anything to the water pump, >> > >> > An ill-advised attempt to save you money or, perhaps, get the job by >> > offering a low price. >> > >> > Don >> I can't disagree with anything you said. Maybe the guy was shopping >> price. If the mechanic charged him $62.50 for the whole job I'd be OK >> with it and take my chances on the pump lasting a little while. Any >> responsible shop would have advised the customer to change the pump >> unless the customer said "Do the absolute minimum." How many times has >> a shop heard these words?: "I'm just keeping this car for a few more >> miles." > >I had the car seen by a friend. He said the water pump was separate >from the timing belt. So if the pump fails in the future, it can be >replaced without touching the timing belt at all. Not according to the procedures and pictures in AllData and Mitchell. I looked it up for 1.0 and 1.3 both as you did not choose to share with us what engine is in your car. The majority of the water pump housiong is underneath the timing belt in both cases. Don www.donsautomotive.com > But it may still be >a good idea to change the water pump when replacing the timing belt. > >The technician provides service of coming to customer's house to work >on the car. He may charge less than a regular shop. You get what you pay for. >Thanks for your expertise and comments. > |
#6
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Timing best and water pump in Chevy Metro
Don wrote:
> We always do timing belt and water pump both. The water pump may be > fine, but its not likely it will last until the next time the timing > belt service comes due. On this Metro the timing belt does not drive > the water pump but, same difference because the water pump is under > the timing belt and the timing belt has to be removed in order to > replace the water pump. Why would you do that? If the water pump isn't driven by the timing belt, I see no need (nor would I recommend) changing the water pump unless it was leaking or noisy or it felt rough or loose. Just because you have to remove the timing belt to access that water pump (which takes all of 2 seconds on a Metro...I've done plenty of them) doesn't mean that you attempt to sell the customer on a water pump. Now if the pump is "driven" by the belt...then yes, it makes good sense....especially if the engine is an interference engine. Ian |
#7
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Timing best and water pump in Chevy Metro
"shiden_kai" > wrote in message news:2Oevg.209656$Mn5.79635@pd7tw3no... > Don wrote: > >> We always do timing belt and water pump both. The water pump may be >> fine, but its not likely it will last until the next time the timing >> belt service comes due. On this Metro the timing belt does not drive >> the water pump but, same difference because the water pump is under >> the timing belt and the timing belt has to be removed in order to >> replace the water pump. > > Why would you do that? If the water pump isn't driven by > the timing belt, I see no need (nor would I recommend) changing > the water pump unless it was leaking or noisy or it felt rough or > loose. Just because you have to remove the timing belt to access > that water pump (which takes all of 2 seconds on a Metro...I've > done plenty of them) doesn't mean that you attempt to sell the > customer on a water pump. > > Now if the pump is "driven" by the belt...then yes, it makes good > sense....especially if the engine is an interference engine. > > Ian I agree 100% Ian. People seem to lump all jobs together even though there are many different engine configurations. Everyone is quick to assess blame to what a shop did or didn't do when in reality every job and situation is different. The time to question what any particular job entails is before you give the okay to have it done.... not after you've consulted with the internet experts to see what they think should have been done. Armchair mechanics are no better than armchair quarterbacks..... they all think they know what should have been done after the game is over. In this case if the pump felt good and wasn't leaking I wouldn't have replaced it either. I would have mentioned (not recommended) the possibility to the customer though, after all, it's his car, his money and his decision. Bob |
#8
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Timing best and water pump in Chevy Metro
On Wed, 19 Jul 2006 00:12:46 GMT, "shiden_kai" >
wrote: >Don wrote: > >> We always do timing belt and water pump both. The water pump may be >> fine, but its not likely it will last until the next time the timing >> belt service comes due. On this Metro the timing belt does not drive >> the water pump but, same difference because the water pump is under >> the timing belt and the timing belt has to be removed in order to >> replace the water pump. > >Why would you do that? If the water pump isn't driven by >the timing belt, I see no need (nor would I recommend) changing >the water pump unless it was leaking Sooner or later most water pumps leak! > or noisy or it felt rough or >loose. Just because you have to remove the timing belt to access >that water pump (which takes all of 2 seconds on a Metro...I've >done plenty of them) doesn't mean that you attempt to sell the >customer on a water pump. > >Now if the pump is "driven" by the belt...then yes, it makes good >sense....especially if the engine is an interference engine. So if the water pump is timing belt driven, fails and the valves bend that's NOT good and the water pump should have been preemptively replaced? Correct! If the water pump leaks, the motor overheats and cracks the head the water pump should NOT have been preemptively replaced?? What difference does it make if the water pump is underneath the timing belt or driven by the timing belt? In either case the water pump cannot be serviced without removing the timing belt. No its not a very hard timing belt, but its also a VERY EASY water pump with the timing belt off! The recommended T-belt replacement interval is every 100k miles per AllData for 1.0 I didn't check 1.3 I don't have a whole lot of faith that any water pump will go 200k. Too many times to count I have had customers come in with bad cam seals, crank seals, water pumps, 4 cyl. Camry oil pump cover "O" ring leaks, occasional failed T-belt tensioners or idlers not long after a timing belt replacement. They are rarely happy with how the previous shop saved them money on their T-belt service. We do it all and will warranty it all way beyond the 1 year\12k warranty standard -- something we almost never have to do by being throrough and also very picky about the parts used. If its a little more pricey but stays fixed for a long, long time most people can live with that. If it needs to be done over its too pricey regardless of the dollar amount. Most often any warnings about a less than thorough service are forgotten in the bitterness about rework required. Don www.donsautomotive.com >Ian > |
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