I am having a 97 nissan altima - 78k - This weekend I noticed some coolant leak in the ground, I looked underneath and found coolant trace on the places above the Oil pan(it should be dripped from the area somewhat above the oil pan I guess). This happens only when the car is standing in the same place for more than 1 day during weekends. Could you please tell me what might be the cause? - (Any hoses??).
Can someone get back to this issue and what was the fix? My car starting doing that and I don’t know what to check first. It would help a lot if someone could answer back
Freeze plugs or casting plugs are prone to leaking . What vehicle do you have ?
Coolant pipes, hoses , thermostat housing and water pumps all can leak .
If you can get it up on ramps or jack it up . Whichever way you raise it put jack stands under it for safety . Wear safety goggles and take a bright light to see if you can tell where the leak originates .
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SOURCE: Engine Heating
You need to replace the thermostat in the radiator, they are very inexpensive and most times you can replace it yourself, if that doesn't help, drain the radiator and buy a drain kit and radiator cleaner, it will remove rust corrosions and anything else blocking up the flow, replace fluids and check to see if it runs properly, worst case senario is that your water pump needs to be replace cause Nissans are notorious or I should say Older models are and water pump seems to be the thing that goes out before anything else
SOURCE: 2001 Nissan Altima Transmission Oil pan
Dealer is the best option...i just had to replace mine and it was about 40.00
SOURCE: 2001 Concorde 3.2 L Oil Pan Removal
if you have your old drain plug take it to a auto part store get a self tapping drain plug! save big$$$$$ I have installed piles of these they last for ever $5-$20- for one. cheers
SOURCE: Nissan Altima 2000 - Engine oil leaking problem.
replace the front oil seal. first i would clean the engine with purple power (degrease etc.) then look at the engine and make sure the leak is not coming from above like possibly the valve cover gasket or from the oil sending unit. try to tighten the bolts on the valve cover and even the oil pan. you never know, you may get lucky. i don't know where you are but front seals are cheap but the labor on the job is what costs you.
SOURCE: PO420 DTC code on 02 Nissan 2.5 Altima
i found out the cat bein broken up and suckin into the fudgin pinstons....good luck everyone
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