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Re: overheated a 2000 isuzu rodeo 2.2 litre
Sorry.... I did not see the 2.2 in title. Install the cylinder head with a new gasket. Tighten the bolts in
sequence as follows: Step 1: 18 ft. lbs. (25 Nm)Step 2: Plus 90
degreesStep 3: Plus 90 degreesStep 4: Plus 90 degrees
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first post is a viable option but i would do some diagnostic work first , check the OBDII codes as may be a sensor/switch that has overheated or got fried , check cylinder compressions to check for head gasket etc
1) Cracked or warped cylinder head 2) Cracked engine block 3) Blown head gasket
Blown head gasket is the best you can hope for. And cracked or warped cylinder head is next most likely. A cracked engine block is least likely of the three. Have you noticed anything unusual, heard any noises? And has the car overheated really badly?
if its white smoke coming out the tail pipe then its burning coolant.possible head gasket.cracked cylinder head,cracked block,it will have to be block tested to see if combustion chamber gases are in the cooling system.
These two problems are related, your engine is overheating because there isn't enough coolant to dissipate the heat. There are three main causes for coolant in the engine oil:
1. Cracked head
2. Blown head or intake gasket
3. Cracked block.
The gaskets are an easy and relatively cheap fix, the head replacemnet isn't to difficult but will run you more than the gaskets. If the block is cracked (pretty rare) you'll need a new motor because it's going to comletelyu fail sooner or later.
This also happened to mine and here is what the problem was:
The car was overheating although my temp gauge was not up to the top.
1) I found that there was a cracked hose coming from the fire wall (separates engine from inside of car). Cost around $3.
2) In looking at the engine I found oil around the engine head. This was from an apparent cracked gasket ($95 full set).
3) I replaced the gasket and in doing so had to remove the hose connecting the air box to the carburetor. That hose is actually made up of three components. The one in the center turned out to be broken and deteriorating on the bottom. This makes sense since the engine was getting hot and the hose is directly above the engine block.
4) I decided to check the exhaust manifold and guess what? It has a 6 inch crack running up the center. The only way you will see this is by removing the heat shield. It's on the bottom right hand side of your engine as you are facing it.
So look at the engine block for black oil marks from in between the top and bottom.
Inspect the exhaust manifold for cracks.
Inspect all hoses for cracks. Get under your car as well and look for leaks, a sure way to find hose cracks. Good luck. They are great cars if you pluck a couple hundred into it a couple times a year. Beats a car payment.