Question about 1999 Toyota Tacoma PreRunner

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New cam new timing cover no oil pressure 99 tacoma

Lubed pump and bearings

Posted by Anonymous on

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6ya6ya
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Posted on Jan 02, 2017

  • 1861 Answers

SOURCE: low oil pressure on 96 toyota 2200cc engine

The oil pump can be changed without pulling the engine.

The impressive looking thing is the balance shaft assembly. These counter-rotating shafts balance out the inherent vibration of the engine. You can remove it, as long as you do not disrupt the gear placements relationship to each other. The balance assembly is set to a specific point.

Posted on Jan 13, 2009

  • 306 Answers

SOURCE: I looking for the timing belt marks for a 99 camry cam and crank

I don't know. I'm working on and 04 RAV 4, it has chains. But I just want to suggest that you get a Haynes or Chilton repair manual from autoparts store. Invaluable! Good luck.

Posted on Mar 09, 2010

  • 134 Answers

SOURCE: Where does the wire from

It should be a yellow wire that goes to your ECM or Engine Control Module. I am enclosing a wiring schematic.. Good Luck..

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Posted on Aug 24, 2011

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1 Answer

Where does oil enter rocker shaft to lube cam on 1.6 the rockers lube the cam. Where does oil enter rocker shaft. Single overhead cam


though the holes in the head where the cam shaft runs
oil pump feeds to these holes through the block ,head gasket and head
cam shaft bearing caps keep oil pressure and clearance when running
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May 19, 2016 | Cars & Trucks

1 Answer

I have read that it is uncommon for the oil pump to go out on a 99 Bonneville SE How tru is this? How can I determine that's the problem before tearing into things? Not getting oil to upper end


The only time I have replaced oil pumps was rebuilding engines, You get a new one in the kit. And when some one wanted a high pressure pump installed. Two things kill oil pressure. The crank bearings are worn out or there is a ton off sludge build up in the engine. Either way, replace the engine or rebuild. Cleaning it won't help. If you want to check for sludge, remove a valve cover. Does it knock when you start it? Bearings.

Feb 24, 2016 | Cars & Trucks

1 Answer

On my 97 nissan hardbody 2.4 ka24e eng with 258890miles on it got a new oil pump timing chain & head job the spring is red what color will increase the oil pressure


Nissan has fitted the spring to give the correct oil pressure to the crank and cam bearings, you can damage the white metal crank shaft bearings by increasing the oil pressure , fit the standard spring.

Aug 06, 2015 | Nissan Cars & Trucks

1 Answer

01 crown vic p71 do i need a new oil pump .. Gauge jumps up and down. Motor has vibration


Tough to say. The lifter making the noise could be allowing oil pressure to escape. Or it may be dry for oil because oil is not getting to it.
You may have to take the lifters out to see if it is a lifter problem or lack of oil.

Jul 27, 2013 | Cars & Trucks

1 Answer

Vary little oil pressure after engine rebuild 3.4l


Did you replace the Cam Bearings? Rod and Main Bearings? Oil Pump? If the Cam Bearings were replaced, the oil holes may be obstructed in the new bearings. If the oil pump was not replaced - it may be defective. Or there may be an obstruction of the oil pump pick-up screen.

Jul 04, 2012 | Cars & Trucks

1 Answer

How to change Oil Pump


3.3L Engine

The lubrication system is a full flow filtration system pressure feed type. Oil from the oil pan is pumped by an internal gear type oil pump directly coupled to the crankshaft. Its pressure is regulated by a relief valve located in the timing chain case cover. The oil is pumped through an oil filter and feeds a main oil gallery. This oil gallery feeds oil under pressure to the main and rod bearings and the camshaft bearings. Passages in the cylinder block feed oil to the hydraulic lifters and rocker shaft brackets which feeds the rocker arm pivots.
It is necessary to remove the oil pan, oil pump pick-up tube and timing Chain Case Cover (CCC) to service the oil pump rotors. The oil pump pressure relief valve can be serviced by removing the oil pan and oil pickup tube.
  1. Disconnect negative battery cable and drain the cooling system.
  2. Remove the radiator assembly.
  3. Raise and safely support the vehicle.
  4. Drain the engine oil. Remove the oil filter.
  5. Disconnect the sway bar and place it to the rear of the vehicle to gain access to the oil pan.
  6. Remove the transmission support brackets and inspection cover.
  7. Remove the oil pan and the oil pump pick-up tube.
  8. Lower the vehicle.
  9. Remove the accessory drive belts and tensioner pulley bracket.
  10. Remove the power steering pump and set aside. Remove the air compressor mounting bolts and set compressor aside. Remove the compressor mounting bracket. It is not necessary to disconnect the refrigerant lines or evacuate the refrigerant from the air conditioning system.
  11. Using an appropriate puller, remove the crankshaft pulley.
  12. Remove the tensioner pulley bracket.
  13. Remove the camshaft sensor from the chain case cover.
  14. Remove the timing chain case cover mounting bolts and the cover from the front of the engine.
  15. Clean the gasket material from the mating surfaces of the cover and the block.
  16. Remove the oil pump cover retaining screws from the timing cover. Lift off the oil pump cover.
  17. Remove the pump rotors. Wash all parts in solvent and inspect carefully for damage or wear.

To install:
  1. Clean all parts well. Assemble the oil pump with new parts as required. Install the inner rotor with chamfer facing the cast iron oil pump cover.
  2. Install the pump cover and tighten the fasteners to 9 ft. lbs. (12 Nm).
  3. Prime the oil pump prior to installation by filling the rotor cavity with clean engine oil.
  4. Remove the crankshaft oil seal from the front cover.
  5. Install a new cover gasket and O-ring onto the cover.
  6. Rotate the crankshaft so the oil pump drive flats are vertical. Position the oil pump inner rotor so the mating flats are in the same position as the crankshaft drive flats.
  7. Install the front cover making sure the pump is correctly engaged on the crankshaft, or severe damage may result.
  8. Install the chain case cover screws and snug the two bottom screws and the top center screw. Ensure the cover is seated to the block then tighten all screws to 20 ft. lbs. (27 Nm).
  9. Install the oil seal and the crankshaft damper.
  10. Install the tensioner pulley bracket and the cam sensor.
  11. Install the air conditioning compressor to the mounting bracket.
  12. Install the accessory drive belt.
  13. Raise and safely support the vehicle. Tighten the oil pan drain plug and install a new oil filter.
  14. Install the oil pump pick-up tube and oil pan. Install the transaxle inspection cover, if removed.
  15. Fill the crankcase with clean engine oil to the proper level. Install a new oil filter.
  16. Install radiator assembly. Check condition of radiator hoses. Fill and bleed the cooling system.
  17. Reconnect the negative battery cable. Run engine and check for leaks. Verify correct oil pressure with a gauge.


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Aug 26, 2010 | 1994 Dodge Intrepid

1 Answer

Loosing oil pressure on idle check engine light on


First, verify actual oil pressure using an external test gauge.
There are two major reasons for oil pressure loss. first is worn engine bearings (usually rods but can be crankshaft or cam bearings as well)
Other reason is a oil pump screen that has been partially obstructed with hard carbon deposits due to low quality, high paraffin oil.
Chances are that the next fifteen people will tell you to replace the oil pump. 99% of all pumps do not fail by themselves. Replacing the pump will often raise pressure for an hour or so but the problem will shortly return.
The cause is a worn bearing, allowing pressure bleed off at the crankshaft.
The pump can be internally scored by debris from a bad bearing but even a scored pump will often not loose more than a small percentage of it's pumping ability. It is always a good idea though to replace the pump whenever a bearing or bearings are being replaced.
If you don't yet hear any knocking, still could be a bad pressure sender though so check as I recommended before going into any larger repair.
You won't see bearing wear with your eyes...you need to measure it using plastigage.
good luck....hope it's just the sending unit!!

May 29, 2010 | 1999 Jeep Grand Cherokee

2 Answers

Put in new rod and main bearings oil drops to zero after warmup 1997 2.2 honda accord put in manual gage to check for sure also put in new headgasket and rings good oil pressure to start then gone what am...


Well the cam bearings will have to do with this also,if it has them,if not it can be the wear in the cam carriers.But most likely the crankshaft journals are worn to much,the crank would need turning,and over size rod,and main bearings would need to be installed.

Apr 23, 2010 | 1997 Honda Accord

1 Answer

Low pil pressure at idle, 20psi under power. I replaced the oil pump & placed a mechanical oil pressure gauge on the motor it selef


check your rod bearings and main bearings
did you prim the new oil pump? or the cam bearings could of gone out most of the time its the rod or mains

Jan 27, 2010 | 1999 Chevrolet Silverado 1500

2 Answers

We have a fully rebuilt 351 winsor, and we've can only get 20-25 pounds oil presure? we've tried another new oil pump, and it's the same.


You should be getting 35-40 Psi @2000 rpm. It could be incorrect bearing clearances.
Very small changes in main bearing clearance make for large changes in oil pressure.

Aug 01, 2008 | 1965 Ford Mustang

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