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Amedee
Amedee, ASE Master Tech
Category: Car
Satisfied Customers: 21843
Experience:  ASE Master Tech advanced level specialist. Wisconsin certified emissions state inspector
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Isuzu Trooper: Im having trouble with a 98 isuzu trooper with

Customer Question

Im having trouble with a 98 isuzu trooper with 3.5 sounds like lifters are knocking bad and oil guage drops every now and i need to no what correct preasure is suppost to be. Im goimg to check it manuelly
Submitted: 1 year ago.
Category: Car
Expert:  Amedee replied 1 year ago.
Hello and welcome to Just Answer!

My name is XXXXX XXXXX I can assist you with your question.

What type of tool are you going to use to check oil pressure?

Are you going to check it at the oil filter or at the sending unit location in the bloc?

Can I get your VIN?
Customer: replied 1 year ago.
Im going to check at oil filter and vin is jacdj58x5w7914398
Expert:  Amedee replied 1 year ago.
Thank you.

Engine oil pressure for this engine should be 392-550 kPa (56.9-80.4 psi) at 3,000 rpm with the engine at normal operating temp.
Customer: replied 1 year ago.
I started the test and at 3000 rpm my engine locked down :( now what it wont turn over.
Expert:  Amedee replied 1 year ago.
Chris,

Thanks for the reply and sorry for the delay!

It sounds to me like the engine is now locked up. You can verify this trying to turn the engine over by hand using a ratchet and a socket on the bolt holding the harmonic balancer in place.

If the engine does not turn over, the engine will need to be replaced. I am sorry about the misfortune. Please let me know if you have any further questions.

Amedee
Customer: replied 1 year ago.
What is the first thing tha goes when it locks down. Is this fixable the engines are over 1500 dollars
Expert:  Amedee replied 1 year ago.
Chris,

Usually the bearings lock up. The main bearings or the rod bearings. However, anything in the upper end of the engine can lock up as well.

Sure.. it can be fixed, but you will end up spending much more than 1500 to get it rebuilt. It is more efficient to replace the engine rather than getting it rebuilt
Amedee, ASE Master Tech
Category: Car
Satisfied Customers: 21843
Experience: ASE Master Tech advanced level specialist. Wisconsin certified emissions state inspector
Amedee and other Car Specialists are ready to help you
Customer: replied 1 year ago.
How much time does it take to replace the engine
Expert:  Amedee replied 1 year ago.
Chris,

It calls for 10.0 labor to replace the engine without transferring all of the parts plus the cost of the engine. You can get a used or a new engine all for different prices so you will have to shop around. New is about 6 k. However, you can get a used one with a warranty for much less.
Amedee, ASE Master Tech
Category: Car
Satisfied Customers: 21843
Experience: ASE Master Tech advanced level specialist. Wisconsin certified emissions state inspector
Amedee and other Car Specialists are ready to help you
Customer: replied 1 year ago.
Can you send me the removel instructions for this engine?
Expert:  Amedee replied 1 year ago.
Chris,

You bet! Here is the procedure.

REMOVAL

Disconnect battery ground and positive cable.
Remove battery.
Make alignment mark on the engine hood and hinges before removal in order to return the hood to original position exactly.
Remove engine hood.
Drain radiator coolant.
Disconnect accelerator cable and automatic cruise control cable from throttle valve on common chamber.
Disconnect air duct with air cleaner cover.
Remove air cleaner assembly.
Disconnect canister vacuum hose.
Disconnect vacuum booster hose.
Disconnect three engine harness connectors.
Disconnect harness connector to transmission (left front side of engine compartment), disconnect shift on the fly harness connector from front side of front axle and remove transmission harness bracket from engine left side.
Disconnect ground cable between engine and frame.
Disconnect bonding cable connector on the back of right dash panel.
Disconnect bonding cable terminal on the left bank.
Disconnect starter harness connector from starter.
Disconnect generator harness connector from generator.
Disconnect coolant reserve tank hose from radiator.
Remove radiator upper and lower hoses.
Remove upper fan shroud.
Remove cooling fan assembly four fixing nuts, then the cooling fan assembly.
Move drive belt tensioner to loose side using wrench then remove drive belt.
Remove power steering pump fixing bolts, then power steering pump. Place the power steering pump along with piping on the body side.
Remove air conditioning compressor fixing bolts from bracket and place the compressor along with piping on the body side.
Remove four 02 sensor harness connectors (two each bank) from exhaust front pipe.
Remove three exhaust pipe fixing nuts from each bank.
Remove two exhaust pipe fixing nuts from each exhaust pipe, then move exhaust pipe to rear side of vehicle.
Remove flywheel dust covers.
Disconnect two heater hoses from engine.
Disconnect fuel hoses from right side of transmission.

CAUTION: Plug fuel pipes on engine side and fuel hoses from fuel tank.

Remove transmission assembly.
Support the engine by engine hoist.
Remove two left side engine mount fixing bolts from engine mount on chassis side.
Remove two right side engine mount fixing bolts from engine mount on chassis side.
Remove engine assembly.

INSTALLATION

CAUTION: When assembling the engine and transmission, confirm that dowels have been mounted in the specified positions at the engine side. Take care that dowel positions are different between the manual transmission and the automatic transmission. If the engine is assembled in the condition that the dowels have not been mounted in the specified positions, the transmission may be damaged.

Install engine assembly. Tighten engine mount fixing bolts to frame to the specified torque.

Torque: 41 Nm (30 ft. lbs.)

Reconnect fuel hose to fuel pipe on engine.
Install transmission assembly. Refer to Transmission section.
Reconnect two heater hoses to engine.
Install flywheel dust covers.
Install exhaust pipe and temporally tighten two (each bank) rear exhaust flange nuts then tighten three stud nuts (each bank) between exhaust manifold and exhaust pipe, finally tighten rear side nuts to the specified torque.

Torque:
Nuts: 43 Nm (32 ft. lbs.)
Stud nuts: 67 Nm (49 ft. lbs.)

Reconnect O2 sensor connector.
Install cooling fan assembly and tighten nuts to the specified torque.

Torque: 22 Nm (16 ft. lbs.)

Install air conditioner compressor to engine and tighten to the specified torque.

6VE1 Torque:
M8 bolts: 22 Nm (16 ft. lbs.)
M10 bolts: 43 Nm (32 ft. lbs.)

Install power steering pump, tighten fixing bolt to the specified torque.

Torque:
M8 bolts: 22 Nm (16 ft. lbs.)
M10 bolts: 46 Nm (34 ft. lbs.)

Move drive belt tensioner to loose side using wrench, then install drive belt to normal position.
Install upper fan shroud.
Reconnect radiator upper and lower hoses.
Reconnect coolant reserve tank hose to radiator.
Reconnect generator harness connector.
Reconnect starter harness connector.
Reconnect bonding cable terminal on left bank
Reconnect bonding cable terminal on the back of right dash panel.
Reconnect ground cable between engine and chassis.
Reconnect harness connector to transmission and install transmission harness bracket on engine left side.
Reconnect three engine harness connectors.
Reconnect vacuum booster hose.
Reconnect canister vacuum hose.
Install air cleaner assembly.
Reconnect air duct.
Reconnect accelerator cable and automatic cruise control cable to throttle valve on common chamber.
Install engine hood to the original position.

Loosen adjusting nut and lock nut.
Pull outer cable while fully closing the throttle valve.
Tighten adjusting nut and lock nut temporarily.

Loosen adjusting nut by three turns and tighten lock nut. Then, manually operating the throttle valve, make sure that the valve lever returns up to the stopper screw.
Amedee, ASE Master Tech
Category: Car
Satisfied Customers: 21843
Experience: ASE Master Tech advanced level specialist. Wisconsin certified emissions state inspector
Amedee and other Car Specialists are ready to help you
Customer: replied 1 year ago.
Sorry to bug you again but i already removed and opended up the motor i can fix the problem cheaper than replacing the engine but i need a picture breAk down of the parts i dont no how to ask for them at salvage yards. Can you help?
Expert:  Amedee replied 1 year ago.
Chris,

You bet! I will try my best. Which parts do you need a picture of?
Customer: replied 1 year ago.
I need the bottom end past oil pan but before pistons
Expert:  Amedee replied 1 year ago.
Chris,

Here are some pics. Let me know if this works.

graphic
graphic
graphic
Amedee, ASE Master Tech
Category: Car
Satisfied Customers: 21843
Experience: ASE Master Tech advanced level specialist. Wisconsin certified emissions state inspector
Amedee and other Car Specialists are ready to help you

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