92Q Overheated!

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tkd_q45
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Well my wife calls me and tells me that our (her's now) 92Q is "making a metal on metal sound when stepping on the gas..." So I tell her, look at the temp gauge and she says "Oh My! The needle is way into the H area" - so I tell here to pull over ASAP and she tells me that the steering and breaks aren't working right (no more power assist). Upon further questioning, she told me that she started to notice the metal on metal sound while driving down the freeway and that it got worse as she was decelerating when she was getting on the offramp (to where she was heading).

Upon arriving at home, I notice that there is a sizable puddle of coolant in her parking space. Of course she does not posses the habit of looking for such details when pulling out of her parking space.

So, I'm wondering if anyone else out there has had a similar experience and DID not need to get a new engine. Our car is sitting in the nearby shop but I'll find out more tomorrow morning. I'm assuming I'll need a new motor. But am I being overly pesimestic?


HeavyDuty
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ACK! Too bad. Hope it wasn't catastrophic. Too soon to know now. Keep us posted.

A basic automotive class should be required for a drivers license, in the same manner a parenting class should be mandatory *before* you have children.

Need4Speed
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OUCH! :eek: I feel your pain.... :(

Lucy!....You got some splainin too dooo!

Andy

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cweberj30t
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The metal on metal sound could be a seized water pump. Is there any coolant left?

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Jesda
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Oh geez... well something similar happened to be too. I was getting on the highway and lost power steering. I thought "Hmm that sucks." When I got to the offramp and came to a stop the needle shot up -- PS/WP pulley seized and took the belt with it. Didnt let it overheat for more than 10 seconds.

My Q runs fine now btw.

If your engine is toast, sell the parts, get $500-$1000, and put that towards a lower-mileage 94 or 95 Q.

-Jesda

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90Q45blue
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Depends on how long she had the car running during the overheat period. If it was more than a minute or so, odds are not good that your engine will survive. Anything more than 5 minutes and it's done.

Nick :(

tkd_q45
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Thanks for the input - didn't think it might be the water pump - My mind imediately jumped to worst case cenario. We'll see tomorrow.

Aus94Q45
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Check the radiator. The plastic housing ages and cracks. My original went a few years ago. It cracked near the hsoe fittings I suppose from stress and brittleness from years of heat and movement. Not too hard or expensive to fix. Also, the under plenum water hoses are always suspect if they are more than a few years old. Hoping for the best . . . .

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PalmerWMD
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tkd:

The good news is prices of VH45de's have been dropping a bit as of late due to lack of demand.

I once paid $3850 for a so-so one (in late 1998) and now you can get good ones for under $2000 (if you look carefully).

Fred..:)

tkd_q45
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Just got off the phone w/the mechanic. He thinks it might be a blown head gasket as he sees oil in the coolant. But he' still checking it out.

How much to change a head gasket? I know it ain't cheap but might it be time to buy a "new to me" Q?

psychic_mechanic
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If it was severely overheated, your heads may be warped or cracked as well.

I think the better bet would be to install a different engine that has been "refreshed" with gaskets, KS, etc while out. Consider motor mounts while it's out too.

You could still sell parts on ebay, just make sure that you list the car was overheated when it last ran. Someone might want it for a high performance core.

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elwesso
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.. Another reason not to let women drive good cars.. Give them a honda and if it overheats, you get a new engine for $100 :D

not ot mention they dont die.....

The man of the house should drive the car, because he knows what it demans!

Sorry, i wasnt helping.

Most certianly your gonna need a new water pump, belts, and an oil/coolant change. If it wsa longer, your looking at new KS and other stuff... if you get into the latter, it might be best to get a takeout engine...

I think we are overlooking the guides. Those will need to be done as well.

ANd we're just getting started on what has to be done to make the car RUN. They we get into stuff to make the car run RIGHT!!!!!

Welcome to Q45 ownership brother!!!!!

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90Q45blue
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If it's a head gasket, you should look at possibly getting a new engine. As was mentioned above, the heads may be warped or cracked. Oil in the coolant is definitely bad and could be cause by a few things, head gasket being less bad than the others.

Nick :(

tkd_q45
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.. Another reason not to let women drive good cars.. Give them a honda and if it overheats, you get a new engine for $100

not ot mention they dont die.....

LOL

Would not be good for domestic tranquility for my wife is a JAP! She LOVES her Q. Though somehow this does not translate into mechanical care/awareness. She WILL want another Q.

BTW it is a blown head gasket. Honestly I don't feel entirely comfortable having our local garage do such a complex procedure - Am I being too paranoid? The owners of the shop are really nice guys, I just don't think there mechanics are up to the task. At least they are close by and if I have problems, I feel that I'd be able to work it out. I just don't want to have any further issues steming from this work.

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Jesda
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Head gasket failure... thats more of a Cadillac thing. Whats the mileage of your Q?

tkd_q45
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Our 92 has around 115K, haven't checked lately as I don't often drive that car.

I believe the head gasket failure was from overheating as my wife drove for quite a while before noticing driveablity problems. It was really hot out here yesterday (100F in some places). I think if she'd been watching the temp gauge, I might just be replacing hoses, water pump, maybe the radiator or a combination of the above.

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elwesso
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If the head gasket has truely failed then you might as well recycle the engine (hey its aluminum!), because its not gonna be the same...

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90Q45blue
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I don't think it's just a head gasket failure, even if that's even the case. Dennis says that, at T3, they've only seen one head gasket failure in a first-gen Q ever.

Nick

Q45tech
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"Water in the oil" sounds strange because if it was really overheated the water would have boiled away and the ethylene gylcol would have broken down and the oil would be a black mess.

Lots of guessing without seeing.

HeavyDuty
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If I were you, I'd pull the heads & have them checked out by a machine shop. If they're cracked or warped beyond a clean up cut of the surface, then it may very well be cheaper to buy a used engine vs replacing the cylinder heads.

psychic_mechanic
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Coolant also doesn't make a very good lubricant circulating through your engine. Your bearings may be damaged as well.

I think the better bet would be a used engine freshened up with gaskets, sensors and guides before installation.

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elwesso
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Agreed with Vinny.

tkd_q45
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Thanks for all the input. I'll find out a bit more tomorrow (I've been away since Thursday and my car has been sitting in the shop). Anyhow I seem to remember someone posting that they had their engine replaced for cheap (3K I think it was) by someone down here in SoCal. Was I just dreaming? Sounds to me like I should seriously consider a new engine.

DAEDALUS
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Tom, so sorry to hear. Not sure what to say about the take-out approach...it may cost more than a new head gasket, but if you know the take-out is good, then it reduces the risk of spending money on an engine with a warped head. Engines on Ebay usually sell for $1500 or less I think, but I don't think you can be sure they're any good. A dealership would probably do the best job, but at a pretty penny. They won't warranty a take-out, though, I don't think. Chain guides would still have to be done, plenum removal too for a good job. Q45tech has stated the lengths to which T-3 scrubs their take-outs before putting them in.

Q45tech
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Scrubs out? It's just that any engine that comes from sitting in a car for 6-8 years suffers from all the things we talk about here.

Rotten hoses, worn water pump, leaky valve covers, chain guides, and dirty air systems, and heat exposed knock sensors.

Sitting in a junk yard, and traversing the oeans, then sitting in warehouses, then shipped to distributors.........banged around and fork lifted 6-7 times in and out of containers across floors, in the back of trucks to the final destination.............has been abused in ways never intended!

Then the new owner expects it to function for 4-5 more years after being reinstalled?

You either pay up front for a decent job or you get really frustrated when all the things you didn't have done cause break downs anbd problems monthly there after.

$3500 might get an AS IS engine swapped into a Q. But it sure won't get chain guides, water pump, plenum hoses, new spark plugs and valve cover resealed ot knock sensors/harnesses .....AS these parts alone add $1300 not to mention the easier labor [while the engine is out sitting on a stand]..........$5250-$5500 is the price you want to pay with a 12/12 warranty.

Not many takers these days. As LETTING an engine fail prpbably means that they let lots of other things fail or created a situation thru the overheat where things are on the ragged edge.....radiator, ac, heater core, etc...........plus the transmission gets really hot because it is bolted to engine and partially cooled via radiator..............so there can be some added stress and wear from the EVENT.

DAEDALUS
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LOL Surely I used the term loosely. "Scrubs" as in "going over with a fine-toothed comb"; "perfecting"; "completing."

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90Q45blue
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I don't think I'd walk into T3 with less than $6,000 if I wanted an engine swap.

Nick :)

tkd_q45
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Just checked in with the local Infiniti dealer and they informed me that they do not stock any rebuilt engines and the only thing they could offer is a new complete engine at $12K+ and $2K+ install!

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QShip
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tkd_q45 wrote:Just checked in with the local Infiniti dealer and they informed me that they do not stock any rebuilt engines and the only thing they could offer is a new complete engine at $12K+ and $2K+ install!
I didn't know there were new engines available for the 1st gen Q.

Q45tech
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Well the choices are $14k, $5-5.5k, or buy a new car and sell the junker quasi whole or part it out.

I'm sure there are a few in the regional warehouses or in Japan.......remember dealer retail is roughly double their wholesale cost!

We would have to pay just at $10,000 vs $1500 and $1500 and $750 to install replacement parts and reseal.

$3750 plus equal swap labor [$2,000] sure beats paying $12,000 for a new engine. Which might last 300,000 miles if maintained vs 150,000 miles on the used replacement......with equal care!

As far as we know we have never had an engine WE SELECTED AND R&Red for replacement fail...........some have been in 6 years.

But you lose track and car are sold sometimes we see them again with different owners. Believe me we would hear after somebody paid $5500.


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