Question about 1998 Jeep Cherokee

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I changed the enginge in my 98 cheroree from original blown to a bored out 1990 in line 6. i just used the block with the head everything else is from 1998. now the problem is it starts fine and idles fine but once i give it gas it starts to sputter and back fire.... what could be the problem?

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Sounds like a timing issue. Recheck to make sure your timing was installed per the manual directions. I had to do mine several times until I got the teeth on the distributor lined up with the cam.

Posted on Oct 06, 2010

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1 Answer

Mazda 6 leaking anti freeze steam coming out of right side of engine


can be a few problems --blown head gasket --cracked head-cracked block--popped freeze-out plug--hose line ruptured --water pump --when engine cools down use a flashlight and look on engine as to where the leak/damage is if its in the upper area of engine could be a fixable problem if its the engine block thats a replacement motor

Aug 19, 2016 | Mazda Cars & Trucks

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Oil in radiator


possible cracked block or blown headgasket

Mar 16, 2013 | 1990 Nissan Sentra

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Have availiable a 98 villager with water in the oil suspect water pump falure / overheat and warped head blown head gasket engine runs smooth labor to replace head gasket waterpump and true heads cost...


$1000 plus the costs to do head gaskets, bearings (remember, antifreeze in the lubrication system means cam and crank bearings), you are talking about a rebuild, since it's out and apart you may as well do the rings too (150,000)...align boring, deck the block, heads...with the misc. items you will end up doing, you might be better off looking for a low mileage junkyard engine instead of going through that one.

May 28, 2011 | 1998 Mercury Villager

1 Answer

How to change a blown head gasket


Changing a head gasket is a major engine repair. Unless you have a good set of tools including a torque wrench and a good general knowledge of how things work, it can be a tough job. If you still want to try, I would highly recommend a repair manual for your vehicle such as a Haynes manual that covers 1997 Toyota trucks. It will have pictures of most of the parts as well as the specifications for tightening all the bolts when you are ready to put it all back together. Basically replacing a head gasket requires that you do the following: Drain the coolant, drain the oil. Remove fuel lines to and from the engine, remove the electrical and vacuum lines that lead to and from the intake manifold,remove the alternator, air pump, ac compressor, tie it back, don't disconnect the refrigerent lines, remove the valve cover remove the intake manifold, remove the front engine cover which will expose the timing belt. Remove the timing belt, remove the cam shaft. You should now see the head bolts. Remove the head bolts. Carefully tap on the head until you can loosen it from the engine block. You may have to drive a wedge between the head and the engine block to force it to loosen up. This is a delicate operation, because if you damage the head during removal, it won't seal with the new gasket. You will need a top rebuild gasket set for your engine. Somewhere around $150.00. Every gasket surface needs to be cleaned to the bare metal without scratching the surface. Any old gasket material left on the parts will cause leaks. Once you get the head off, spend another 150.00 or so to get it boiled out by a head shop in your area. They will also test it for leaks and cracks. If the head is cracked, it will have to be replaced. If you don't get it checked for cracks, this whole exercise will be wasted if it turns out to be a cracked head instead of a blown head gasket. Anyway, reverse everything, tighten it by the book to specified torque put in new oil and antifreeze and you are set to go. I replaced my first head gasket when I was about 15 years old. It took me a couple of weeks and I broke about 6 or 7 bolts off on things like the intake manifold, front cover etc. I learned a lot from that old '58 ford. Good luck, and get that Haynes manual.

Oct 17, 2010 | 1997 Toyota Tacoma

1 Answer

What is the torque spec's on a acura integra gs 90 motor ?


1990-1991 OBD0*
Engine: B18A
Cylinder Arrangement: Inline 4 Cylinders, Transverse
Type: Water cooled, 1.8L, 4 cylinder, 16 valve, DOHC
Displacement: 111.9 cu in (1834 cc)
Bore & Stroke: 3.19 in x 3.50 in (81mm x 89mm)
Compression Ratio: 9.2 : 1
Valve Train: Double Overhead Camshafts, Belt Driven
Fuel System: Programmed Fuel Injection (PGM-FI)
Horsepower: 130 hp @ 6000 rpm
Torque: 121 lbs.-ft. (16.8 kg-m) @ 5000 rpm
Redline: 6500 RPMs
Engline Block: Aluminum Alloy with Cast Iron Cylinder Liners
Cylinder Head: Aluminum Alloy

Jun 24, 2010 | 1990 Acura Integra Hatchback

1 Answer

Does the 1990 nissan 240sx have a electric fan, to cool off engine or trans? The car keeps over heating when driving on the highway.


it should not overheat when moving even if doesnt work .either the rad is blocked or the head gasket has blown

Jan 12, 2010 | 1990 Nissan 240SX

1 Answer

A 98 nissan altima i replaced blown head gasket and head i used a older head 2 years older the older head has 2 more bolts for the cams my question is can i still use the same camshafts


Yep, I would use the same camshafts. The engine you used if from a 96. It is a different engine, but if everything is sealed up and mates up ok, then it should work.

Nov 15, 2009 | 1998 Nissan Altima

2 Answers

What is the torque specs for a 1998 jeep Cherokee classic straight 6 4.0 liter? I am replacing the head gasket and need to find the lbs of torque. Thank you for any advice, pictures, etc.


Torque sequence ------------------ front | 12 8 4 1 5 9 13 | of | | engine | 11 7 3 2 6 10 14 | ------------------ Final torque must be reached in 3 equal steps Step 1: torque all bolts (except bolt 11) to 110 Ft/Lbs Step 2: torque bolt 11 to 100 Ft/Lbs Recheck final torque in sequence.

  1. Disconnect the negative battery cable.
  2. Drain the cooling system.
  3. Disconnect the hoses at the thermostat housing.
  4. Properly relieve the fuel system pressure.
  5. Remove the cylinder head cover.
  6. Loosen the rocker arms.
  7. Remove the pushrods.

The valvetrain components must be replaced in their original positions.
  1. Remove the intake and exhaust manifold from the cylinder head.
  2. Disconnect the spark plug wires and remove the spark plugs.
  3. Disconnect the temperature sending unit wire, ignition coil and bracket assembly from the engine.
  4. Remove the accessory drive belt(s).
  5. Unbolt and set aside the power steering pump and bracket. Do not disconnect the hoses.
  6. Remove the intake and exhaust manifold assembly.
  7. If equipped with A/C, perform the following:
    1. Remove the compressor and position it aside with the lines attached.
    2. Remove the compressor bracket bolts from the cylinder head.
    3. Loosen the through bolt at the bottom of the bracket.

  8. Remove the alternator.
  9. Remove the cylinder head bolts, the cylinder head and gasket from the block.

Bolt No. 14 cannot be removed until the head is moved forward. Pull the bolt out as far as it will go and suspend in place by wrapping with tape.
  1. Discard the gasket. Thoroughly clean the head-to-block mating surface.
  2. Clean and inspect the cylinder head thoroughly. Refer to the engine reconditioning portion outlined later in this section.

To install:
  1. Coat a new head gasket with suitable sealing compound and place it on the block. Most replacement gaskets will have the word TOP stamped on them.

Apply sealing compound only to the cylinder head gasket. Do not allow sealing compound to enter the cylinder bore.

Oct 08, 2009 | 1998 Jeep Cherokee

2 Answers

Radiator keeps over pressuring out of cap


I hate to tell you but most likely your head gasket is blown. But first have your 13 psi cap pressure tested. If the head gasket has blown out in between the cylinder and the water passage , engine compression will enter your coolant and over pressurize the cooling system. This could be caused by a pin hole in the head gasket and that is all. also make sure your head is not warped. The 22re has a cast iron block and aluminum head causing the head to expand at a different rate than the block. causing the gasket to wear and leak. Good luck.

Feb 10, 2009 | 1990 Toyota Pickup

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