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LQ1 LIM Coolant Leak---again?!

coolant lq miles out

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#41 Nas Escobar

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Posted 19 December 2017 - 07:51 PM

If you take apart the heads on that LQ1, you're gonna have a bitch of a time putting everything back together. lol

 

Just get the felpro gaskets, and fix the oil pump drive while you're all taken apart.


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2003 Pontiac Grand Am (01/12 - 08/13)

1994 Oldsmobile Cutlass Supreme

2002 Chevrolet Camaro (09/13 - 07/16)

1996 Infiniti G20

1993 Chevrolet Lumina Z34

1989 Buick Regal Limited (06/16 - 01/17)

1994 Chevrolet Cavalier RS

2009 Pontiac G6

1984 Chevrolet Camaro Z28


#42 Galaxie500XL

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Posted 19 December 2017 - 08:12 PM

Keep in mind, I did that repair 7 years, and probably about 50,000 miles ago, so if all you can get are Fel-Pro, you're probably good for a bunch more years.


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#43 Galaxie500XL

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Posted 19 December 2017 - 08:30 PM

If you take apart the heads on that LQ1, you're gonna have a bitch of a time putting everything back together. lol

 

Just get the felpro gaskets, and fix the oil pump drive while you're all taken apart.

I'm pretty much in agreement with Nas...I wouldn't pull the cam carriers and heads off of that LQ1 unless it became absolutely necessary.  There's way too much to deal with there, and a ton of genuine Unobtanium parts, unless there's a serious underlying problem, like a blown head gasket.


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galaxie500xl

1988 Camaro IROC-Z 5.7 TPI 5-speed

2011 Chevrolet Equinox LT

GONE to a new home... 1995 Cutlass DOHC Convertible, 3rd Quarter 2012 W-Body.com COTQ

 

 


#44 rich_e777

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Posted 19 December 2017 - 11:05 PM

There's the issue of internally leaking oil causing the smoke on start up you told me about before I got the car. I'd like to get that fixed but if the parts aren't available for it then the engines life is pretty much as long as the current timing belt lasts. I keep forgetting the intricacies of the DOHC engine and went to look at the FSMs and Ive thought of a better solution.



#45 Galaxie500XL

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Posted 20 December 2017 - 03:40 AM

There's the issue of internally leaking oil causing the smoke on start up you told me about before I got the car. I'd like to get that fixed but if the parts aren't available for it then the engines life is pretty much as long as the current timing belt lasts. I keep forgetting the intricacies of the DOHC engine and went to look at the FSMs and Ive thought of a better solution.

I’m pretty sure the oil consumption issue is worn valve guides. It could potentially run for decades, as long as the consumption problem doesn’t get excessive.
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galaxie500xl

1988 Camaro IROC-Z 5.7 TPI 5-speed

2011 Chevrolet Equinox LT

GONE to a new home... 1995 Cutlass DOHC Convertible, 3rd Quarter 2012 W-Body.com COTQ

 

 


#46 Nas Escobar

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Posted 20 December 2017 - 06:09 AM

Didn't we have this discussion last year and he thought I was being pessimistic for saying it could be the piston rings?

2003 Pontiac Grand Am (01/12 - 08/13)

1994 Oldsmobile Cutlass Supreme

2002 Chevrolet Camaro (09/13 - 07/16)

1996 Infiniti G20

1993 Chevrolet Lumina Z34

1989 Buick Regal Limited (06/16 - 01/17)

1994 Chevrolet Cavalier RS

2009 Pontiac G6

1984 Chevrolet Camaro Z28


#47 Nicutlass_Supremacy

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Posted 08 January 2018 - 06:29 PM

Hi Guys!

 

I'm having a coolant leak too and I can´t find the source! I´ve replaced the LIM gasket and all hoses and I´ve checked everything twice. For two weeks I have not had any leaks but on Saturday again!! It´s not the LIM gaskets, the O ring or hoses. I know that the leak it´s between the engine and the transmission. Is there any freeze plug between them? Or maybe a head gasket failure?

 

Thanks!



#48 55trucker

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Posted 08 January 2018 - 06:34 PM

^ You've had the intake assembly off then you've noticed that the valley area has a depression that can hold fluid (approx 2 teacups worth) before it will overflow the ends of the block casting.

Have another close look in there to make sure that you're not leaking from one of the coolant crossover ports that's pooling then flowing over the rear casting boss.


LO6Cy24.jpg

 

Steve


#49 rich_e777

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Posted 10 January 2018 - 02:14 PM

Didn't we have this discussion last year and he thought I was being pessimistic for saying it could be the piston rings?

We very well may have as I`m determined to keep the Vert in as best condition as possible. That means eventually having to address anything wrong with the engine and I was going on the info the previous owner provided. Whether its to the piston rings or bad valves in the heads I have emissions testing here in Davidson Co TN and I would like to not have to weasel the vert through the inspection with a new cat converter, guaranteed to pass additive and unplugging the pcv valve. Galaxie500 took very good car of the car when it was his, im only trying to do the same thing.

 

https://goo.gl/images/qzC2qN


Edited by rich_e777, 10 January 2018 - 02:15 PM.


#50 Nas Escobar

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Posted 11 January 2018 - 01:00 AM

I completely agree. Are emissions for your county for the life.of the car or until it reaches a certain age? Virginia allows them to not be tested after 25 years of age but Maryland requires them to be tested as long as they exist or until they're tagged "historic". That's why I ask.

2003 Pontiac Grand Am (01/12 - 08/13)

1994 Oldsmobile Cutlass Supreme

2002 Chevrolet Camaro (09/13 - 07/16)

1996 Infiniti G20

1993 Chevrolet Lumina Z34

1989 Buick Regal Limited (06/16 - 01/17)

1994 Chevrolet Cavalier RS

2009 Pontiac G6

1984 Chevrolet Camaro Z28


#51 rich_e777

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Posted 11 January 2018 - 03:47 PM

We have a similar law but they really enforce the antique plates older cars get here. If I ad antique plates on a car and couldnt prove i was driving to/from a show or mechanic then i get a ticket. They are also cracking down heavy on the red dealer plate cars that many of the the used car lots do for their families. Hell if I dont have insurance on my 1994 thats only going to be sitting this year I get a ticket for "failure to show financial responsibility". They run the VIN#s through a system now and you get a ticket in the mail. Its the biggest load of pigshit Ive ever heard of, well so far this year.







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