Question about 2001 Isuzu Rodeo

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I have a few questions. First, my 01 Rodeo has been leaking oil towards the back of the engine. A friend who used to work at an auto shop told me that if it's the rear main seal, that it is not worth replacing, because it makes a groove when it ruins the seal, and will start leaking again in about another month. Is this true, and is there another possibility for it leaking out the back other than the rear main? Second, it also has an exhaust leak. Any tips on how to find, and possible fix/patch it? And finally, the shaft under the car is SOAKED with liquid. It is mainly brown (assumed to be oil dripping onto it?). After it set still for a week while I was on vacation, I checked again, and the liquid on the shaft had a tint of red mixed in with it. Could this be tranny fluid? How do I check for a tranny leak? Sorry for the multiple questions, and thanks for any help. -Robert

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First things first - your rear main seal is worth replacing if you plan on keeping your rig. (Sounds like your friend doesn't want to get roped into doing the work) Rear mains wear for all kinds of reasons - something as simple as using cheap oil. Your exhaust leak you're going to need to get under with gloves and feel pipe(s) at flanges etc... if you don't feel up to it, have a good muffler shop look at it. Lastly, you have a rear trans seal leaking which is blowing trans fluid back on driveshaft. It's another job you might have a shop do.

Posted on Mar 21, 2011


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Our 2004 Isuzu Rodeo has developed a coolant leak. The leak appears to be around or above a little panel or plate immediately behind the oil pan? Cannot find any other source. What is inside the littl

You will have to clarify behind the oil pan. Front of engine towards fan. Rear of engine transmission side. Or above the pan towards engine side. If there is coolant leaking from behind the engine (between the engine and trans) and is not running down from above eg head gasket or hose connection, chances are good that there is a frost plug leaking on the rear of the block.

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What is the diffrence between 98 and 01 isuzu rodeo 3.2 engines?

engines come 3 ways, short block, long block or with all , including manifold., so ? which is it?
USA? we cant guess country , so will wild guess this as USA.
the dealers are gone.
so you cant just go there, online and see the whole engine and all parts there.
the engine exchange people know that, why not ask them
or just look at the many sellers on line of rebuilt engines.
modifications are huge. potentially.
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to find out history why not join a real Isuzu form and ask.
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Are the block and heads the same in an 98 Isuzu Rodeo 3.2 and a 2001 Isuzu Rodeo 3.2?

3 places you can get the answer.
1) dealer parts department
2) a salvage yard or parts store like auto zone or advanced auto.
3) a machine shop that does head repair. I would start here and have the donor head checked before i installed it and then found out it wasn't flat.

May 18, 2014 | Isuzu Rodeo Cars & Trucks

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When oil capacity is low the engine oil light appears saying "Stop engine oil pressure." FastTrack Auto Service told me that I had an oil leak wear the engine and transmission meet. If so whats...

All that sounds silly to me

You will need to have the oil leak
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What the gasket is called and engine
size doesn't matter,your going to pay
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1 Answer


First check the two 3/4" hoses going into the firewall. if those are clean, it will be a blown head gasket. Are you getting a lot of white smoke and sweet-smelling exhaust? If so, you're leaking antifreeze into the cylinders too. Also check your oil for frothyness or greyish oil (using dipstick) - if that's true, antifreeze is in your oil. All of which are conditions of a blown head gasket - it just depends where the gasket failed.

IF it's only leaking on the outside of the engine, you can try a stop-leak coolant additive. These only work if you're only leaking on the outside - will not work if leaking in the oil or in the cylinders. And then they only work some of the time - I have had it work with perfect success in the one time I used it (was a copper color liquid). Sometimes that's better than putting in the money to replace the gasket...

Jan 23, 2011 | 2001 Isuzu Rodeo

1 Answer

Engine overheated and shut down, coolant empty and no oil on dipstick. Added water and it was quickly leaking out of engine somewhere above the oil pan. What is likely cause?

Hello, chrisboetcke and thank you for asking your question on Fixya!

Here is a simple process that will walk you through a few steps that will pinpoint the overheating problem on your
1995 Isuzu Rodeo, without even using any tools. It has helped millions of people, and I am certain that it will help you, because I wrote it for people in your exact situation.
How to diagnose an overheating
1995 Isuzu Rodeo
The engine sounds like it is burnt up so bad, that it has a cracked casting.

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Oct 31, 2010 | 1995 Isuzu Rodeo

1 Answer

Engine sputters at times when driven up hills or in the hot weather.

Sounds like a head gasket is cracked, any water in oil? That will make oil look like muddy water. Any oil leaks under vehicle? Trace to see if coming out from under head on side of engine block.

Lose power in a head wind?

You may never see signs of leaks or water in oil, it could be a crack of gasket allows combustion power to flow from one cylinder to the adjacent cylinder.

My 1991 Isuzu Rodeo had this problem, it is an 8 hour fix and a couple of days wait after you take head into shop to be milled. Then 4 hours to put back together, very simple to do yourself, but you need a Chilton Manual from local auto store, otherwise $1200.00 to have a good shop fix for you.


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Coolant leak

Get a 2nd opinion from a trusted BMW, Volvo, Mercedes Benz or VW aftermarket shop. You'll thank me later, but DO NOT tell them what the dealer told you before they tell you what their diagnosis is.

Let them start from scratch. That way you get an honest answer and an honest diagnostic.


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1 Answer

2001 Isuzu Rodeo 3.2 V6 Oil Burning and motor tapping loudly

Do a compression test on all the cylinders and see if the rocker arms are adjusted to the right. If the compression is bad then there will be no power at all and if the Rocker arms need adjustments you could be losing some power there too.
You can try cleaning out the engine from the inside out. I have done this many times when I buy a use car. I run Marvel Mystery Oil with the engine oil for about 4 months and keep an eye on the oil level. Marvel is a thinner oil and clean out the inside by removing the carbon collected and oil sludge inside the engine.
You may end up having to replace the oil pressure sensor, it seams to always be the first to go bad and may get some oil leaks. But once the engine is cleaned up you'll have a better understanding on the condition on the engine and be surprised on how well it runs after.
Just keep an eye on the oil level and change the oil and filter to free up the engine, then use the recommended oil and add Lucas oil and or Restor to help the loose of compression.
The loud tapping tells me that your not getting the oil to the top of the engine and that may be a bad oil pump but it may also be a plugged oil pump screen and the Marvel Mystery oil will clean up the oil screen.
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10w30 oil.... and look around the engine compartment for something that looks like an oil icon. that unscrews and you add oil there. if you still cannot find it stop at just about any auto shop... they will show you.


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