Question about Nissan Frontier

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I have a 2001 nissan frontier with a 3.3 v6. its overheating at a stand still of 5 to 10 mins. another guy looked at it and said it might not be circulating the coolant, but the water pump dosent leak. could i need the water pump replaced? if not, what could be causing the problem?

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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wickedsteele
  • 56 Answers

SOURCE: I have a coolant leak

Sounds like either the water pump or the thermostat housing. The water pump has a small hole in the bottom where the shaft comes through, when the water pump gets worn it will leak here so you know to replace the pump. The thermostat housing will be at the motor end of the upper radiator hose where it attaches to the motor. Hope this helps.

Posted on Aug 11, 2008

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pal03246
  • 726 Answers

SOURCE: how to change a water pump in a 2001 nissan

you need to remove the whole front end of the engine apart. the pump is behind the timing belt. may as well replace that and the crank and cam seals while you in there.

Posted on Feb 21, 2010

  • 34 Answers

SOURCE: 1997 Buick Century Overheating

Have someone pressure test the cooling system - you likely have a head gasket leak

Posted on Apr 10, 2010

  • 6982 Answers

SOURCE: 2001 jeep grand cherokee. no leaks losing coolant,

Most serious item I see is oil pressure. Put a mechanical gauge on the engine and get an accurate reading. Also make sure that the passage to the sender isn't blocked. If you did the pump yourself, did you find any coolant in the oil? In 99% of all low oil pressure situations, the oil pump has not failed. Rather, either a cam bearing or crank/rod bearing is worn. You do not have to have one spun or completely worn out bearing. Even wear of all bearings that is somewhat excessive can bleed off enough pressure to cause problems (plastigage the engine bearings to determine wear).
As far as coolant loss. A cylinder head gasket can fail between cylinders, into a water passage, into an oil passage or any combination of those and externally as well. The cylinder heads on engines beginning in about '98 are prone to "micro-cracking" which can lead to all kinds of hard to diagnose coolant loss problems. It may help if you have a shop do a dye test and a hydrocarbon test on the cooling system and see what they find.
I have seen several kinds of block sealing systems available. Though I generally do not recommend them, as the longevity of the repair isn't predictable, you could try that as a option of last resort.
There is no quick easy solution to your problem but with a bit of "poking around" you may be able to cure it. Don't bother repairing one problem before finding out what the other one is first though as together, it might be smarter to replace the engine.

Posted on May 09, 2010

  • 59 Answers

SOURCE: 2001 Pontiac Aztek Overheating. Replaced

Sounds like you have a clog, or a collapsed hose. Try flushing the system.

Posted on Feb 28, 2011

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