| [GMCnet] Common front of engine oil leaks [message #345835] |
Mon, 29 July 2019 16:02  |
Ek_Lektro
Messages: 167
Registered: March 2011
Karma: 2
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Senior Member |
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hey Nelson, Let me see if i understand this correctly:
If the pressure cap is not working, then with less pressure in the cooling system,
then borderline water pump leaks might have stopped leaking... until the pressure cap is fixed?
I suppose i could take a drive after swapping radiator caps with the Eleganza, and see…
Any other tips in this direction? Thanks!
Greg
> it looks like the Birchhaven's water pump stopped leaking.
> For a few months last year, it?d spit out a bit after turning off the engine after a long drive;
> and i?ve been keeping my eyes open, plus bought the Cardone pump to have on hand if needed.
> But for the past 3 months and 400 miles, i haven?t seen any coolant on the driveway or the pulley.
> So how many votes for ?you better change the pump ASAP anyway?, vs. ?keep your eye on it, and change if it starts leaking again??
> What could cause a leaking seal to stop leaking? I didn?t add any stop-leak or anything.
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| Re: [GMCnet] Common front of engine oil leaks [message #345836 is a reply to message #345835] |
Mon, 29 July 2019 17:49  |
Nelson
Messages: 120
Registered: August 2014
Karma: 0
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Senior Member |
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Greg, yes, more than once I have driven vehicles with small leaks by removing the pressure cap. Just watch your temperature gauge cause it will boil sooner without the cap.
Put a working cap on and see if the leak returns. If so then replace the pump and the cap.
HTH
Nelson
Sent from my iPhone
Nelson Wright
Orlando Fl.
> On Jul 29, 2019, at 5:02 PM, Ek Lektro via Gmclist wrote:
>
>
>
> hey Nelson, Let me see if i understand this correctly:
> If the pressure cap is not working, then with less pressure in the cooling system,
> then borderline water pump leaks might have stopped leaking... until the pressure cap is fixed?
> I suppose i could take a drive after swapping radiator caps with the Eleganza, and see…
> Any other tips in this direction? Thanks!
> Greg
>
>> it looks like the Birchhaven's water pump stopped leaking.
>> For a few months last year, it?d spit out a bit after turning off the engine after a long drive;
>> and i?ve been keeping my eyes open, plus bought the Cardone pump to have on hand if needed.
>> But for the past 3 months and 400 miles, i haven?t seen any coolant on the driveway or the pulley.
>> So how many votes for ?you better change the pump ASAP anyway?, vs. ?keep your eye on it, and change if it starts leaking again??
>> What could cause a leaking seal to stop leaking? I didn?t add any stop-leak or anything.
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> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
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| Re: [GMCnet] Common front of engine oil leaks [message #345837 is a reply to message #345836] |
Mon, 29 July 2019 18:23 |
James Hupy
Messages: 6806
Registered: May 2010
Karma: -62
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Senior Member |
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Be careful leaving the cap off the radiator on cross flow systems like the
GMC. No circulation CAN result. Bad juju.
Jim Hupy
On Mon, Jul 29, 2019, 3:50 PM Nelson Wright via Gmclist <
gmclist@list.gmcnet.org> wrote:
> Greg, yes, more than once I have driven vehicles with small leaks by
> removing the pressure cap. Just watch your temperature gauge cause it will
> boil sooner without the cap.
> Put a working cap on and see if the leak returns. If so then replace the
> pump and the cap.
> HTH
> Nelson
>
> Sent from my iPhone
> Nelson Wright
>
> Orlando Fl.
>
>> On Jul 29, 2019, at 5:02 PM, Ek Lektro via Gmclist gmclist@list.gmcnet.org> wrote:
>>
>>
>>
>> hey Nelson, Let me see if i understand this correctly:
>> If the pressure cap is not working, then with less pressure in the
> cooling system,
>> then borderline water pump leaks might have stopped leaking... until the
> pressure cap is fixed?
>> I suppose i could take a drive after swapping radiator caps with the
> Eleganza, and see…
>> Any other tips in this direction? Thanks!
>> Greg
>>
>>> it looks like the Birchhaven's water pump stopped leaking.
>>> For a few months last year, it?d spit out a bit after turning off the
> engine after a long drive;
>>> and i?ve been keeping my eyes open, plus bought the Cardone pump to
> have on hand if needed.
>>> But for the past 3 months and 400 miles, i haven?t seen any coolant on
> the driveway or the pulley.
>>> So how many votes for ?you better change the pump ASAP anyway?, vs.
> ?keep your eye on it, and change if it starts leaking again??
>>> What could cause a leaking seal to stop leaking? I didn?t add any
> stop-leak or anything.
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List Options:
>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
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