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As I was arriving home yesterday, I noticed the oil pressure light flickering on (unfortunately, I have no idea how long it had been happening ;-( but it went-off if I kicked-up the RPM. Oil level at ‘Full’ mark; no valve lifter chatter; no ‘hot’ engine or oil smell/smoke; temp normal. Checked it this morning (-15°C), started flickering on as engine started to warm-up; no valve lifter chatter.
Oil & filter changed every 5,000 km; last oil change approx. 2,500 km (5W30); hasn’t been driven much in last year because of pandemic; 190,000 km on vehicle; front-end (timing chains, sprockets, guides, etc.) brand-new at 160,000 km; wire to pressure sender appears OK; oil pressure light comes on when ignition is in ‘On’ position before starting.
From everything I’ve read in the shop manual and the ‘2G Vitara’ forum (thanks everyone!), removing the oil pan, strainer & pump is VERY complicated & WAY beyond my ability (no garage, I work outside on gravel).
Sooo... once it warms up to 0°C I’m going to a) install a new pressure switch (yes, they either work or don’t – but they’re cheap); b) change the oil & filter again, and before draining; c) do a ‘rough’ pump-check (see if oil squirts-out the threaded oil filter pipe when I briefly crank it over – as suggested in this forum).
Q1: How do I asses if the pump is working adequately with the ‘oil-filter-squirt-test’ i.e. what behavior affirms a working oil pump? Should a HUGE stream of oil shoot-out?
Q2: Can J20 oil pumps wear-down so that their output drops, or do they simply work or not work? I’ve had the exact same model Vitara since fall 2000 (#1: 330,000 km, #2 299,000 km, both dealer maintained) and #3 this one – and never had an oil pump go south.
Q3: IF it's unlikely it’s the pump, what else can I do/explore/troubleshoot... w/o removing the oil pan, strainer & pump? E.g. “MAYBE the oil pressure relief valve fouled w/junk” is mentioned in the forum, but I haven’t found that (yet) in my manual or the exploded parts diagrams.
Q4: If the oil pan has to be removed (to clean the oil strainer & replace the pump), approx. how long (hours) does it usually take a repair shop to do the job? [We no longer have Suzuki dealers here].
Q5: In the exploded parts diagram, there is no sign of an oil pan gasket, and the shop manual just uses a sealant on the pan. Gaskets are available – is one a good idea?
All opinions/recommendations greatly appreciated.
Thanks!
 

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Sometimes things like this happen, when the idea of scrapping the car comes to your mind regardless of the amount of love you have for the car. If you would have decided that you want to scrap your car, then scrapi.com would have been the best place to do it. They have no hidden fees and no additional charges. When your car is collected, there’s no last-minute haggling over the price and no surprise charges added on. Instead, you get the price you’re quoted and the fastest payment possible.
 

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Depending on the level of your problem, it is crucial to understand that it is possible to repair almost everything. When I say almost, it means that in some small number of cases it is better to get rid of your car. I would not recommend to do all the repair work by yourself because you may do something wrong which eventully will break your car even worse. If you are interested to sell your car, you may address to Cash for Cars Melbourne | Cash For Old, Scrap & Used Cars since they are in demand for used cars and can give you much more money than expected.
 

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Depending on the level of your problem, it is crucial to understand that it is possible to repair almost everything. When I say almost, it means that in some small number of cases it is better to get rid of your car. I would not recommend to do all the repair work by yourself because you may do something wrong which eventully will break your car even worse. If you are interested to sell your car, you may address to Cash for Cars Melbourne | Cash For Old, Scrap & Used Cars since they are in demand for used cars and can give you much more money than expected.
Oddly enough, but this is really interesting.
 

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Depending on the level of your problem, it is crucial to understand that it is possible to repair almost everything. When I say almost, it means that in some small number of cases it is better to get rid of your car. I would not recommend to do all the repair work by yourself because you may do something wrong which eventully will break your car even worse. If you are interested to sell your car, you may address to Cash for Cars Melbourne | Cash For Old, Scrap & Used Cars since they are in demand for used cars and can give you much more money than expected.
I had an almost similar situation but it had ended not as well as yours
 
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