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Models:
2011-2012 Chevrolet Cruze

Equipped with 1.4L Turbo Engine (RPO LUJ)

Some customers may comment on a coolant leak, low coolant reservoir level, a hot engine message or lack of heat as a result of low coolant levels.

Coolant may be leaking from the water pump mounting bolts.
Recommendation/Instructions

If the water pump mounting bolts are leaking, do not attempt to tighten or put sealer on the bolts. The water pump and gasket should be replaced.
The water pump does not come with the gasket. The water pump and the water pump gasket should be ordered separately.
When replacing the water pump, the thermostat housing seal also needs to be replaced.
Parts Information

Part Number

Description

55579016

PUMP, WAT

55568033

SEAL, W/PMP

55579010

THERMOSTAT, ENG COOL (Includes Seal)

Warranty Information

For vehicles repaired under warranty, use:
Labor Operation

Description

Labor Time

J3480

Water Pump Replacement

Use Published Labor Operation Time
 

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Notice how the "seal" is not included with the pump = DUMB!

That's DUMB because when a new pump is installed, a new seal is always required!
 
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Notice how the "seal" is not included with the pump = DUMB!

That's DUMB because when a new pump is installed, a new seal is always required!
so what if its not included with it. maybe they use a different manufacturer for it. all that matters is that the bulletin says use a new one and here's the part number. there is no need for calling anything dumb...
 

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so what if its not included with it. maybe they use a different manufacturer for it. all that matters is that the bulletin says use a new one and here's the part number. there is no need for calling anything dumb...
...except when it takes two weeks to get Warranty repair of a leaking thermostat housing because the local stealership doesn't KNOW that the seal ISN'T included, thus making a one-day job into a 13 day job!

...and, that's after GM is aware of the problem and yet has NOT stocked the necessary parts needed!
 
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Models:2011-2012 Chevrolet Cruze
Equipped with 1.4L Turbo Engine (RPO LUJ)

Some customers may comment on a coolant leak, low coolant reservoir level, a hot engine message or lack of heat as a result of low coolant levels.

Coolant may be leaking from the water pump mounting bolts.
Recommendation/Instructions

If the water pump mounting bolts are leaking, do not attempt to tighten or put sealer on the bolts. The water pump and gasket should be replaced.
The water pump does not come with the gasket. The water pump and the water pump gasket should be ordered separately.
When replacing the water pump, the thermostat housing seal also needs to be replaced.
Parts Information

Part Number
Description
55579016
PUMP, WAT
55568033
SEAL, W/PMP
55579010
THERMOSTAT, ENG COOL (Includes Seal)
Warranty Information

For vehicles repaired under warranty, use:
Labor Operation
Description
Labor Time
J3480
Water Pump Replacement
Use Published Labor Operation Time
I wonder if the coolant leak is so little they can't find it. I had my car do the dye test and they cannot find a leak but say they do notice a smell and my coolant level keeps dropping.
 

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Been a long while since I have been on this board.
I have owned my Cruze since October 2010, have over 42K miles on it, and now am troubled by a coolant leak.
The dealer told me today that it was about a gallon low and I topped it off about a month ago. They went over everything and could not find a leak. They are also aware of this bulletin.
For those that have had a low-coolant level leak fixed, what was the smoking gun? What did they finally catch?
 

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...there are two types of "leaks": (1) external leaks where you are physically to see the escaping coolant and (2) internal leaks where the coolant escapes someplace it wasn't intended to go, such as leaks inside the turbo or engine itself, which cannot be seen, only diagnosed by competent investigation.
 

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I found this PI0762B posted by 70AARCUDA on cruzeforumz.

PI0762B.........Coolant Leak at Water Pump; replace water
pump & gasket, replace engine mount bolts. (it was posted as PI0726B but I think that is a typo) Technical Service Bulletins (TSB) & Safety Recalls - Chevy Cruze Forum - Chevrolet Cruze


This PI appeared in the Nov. 2012 TechLink
2011-2012

Cruze — Coolant leak at water pump

Replace the water pump and gasket. Replace the engine mount bolts.
Replace the water pump bolts. The gasket will fix the leak at the water pump bolts.
PI0762B

The initial PI0762A was saying: A Coolant Leak at Water Pump/bolts (11-Jul-2012); replace water pump, gasketand thermostat.

Why would the new PI ask for replacing engine mount bolts? How does this relate to coolant smell?
 

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I found this PI0762B posted by 70AARCUDA on cruzeforumz.

PI0762B.........Coolant Leak at Water Pump; replace water
pump & gasket, replace engine mount bolts. (it was posted as PI0726B but I think that is a typo) Technical Service Bulletins (TSB) & Safety Recalls - Chevy Cruze Forum - Chevrolet Cruze


This PI appeared in the Nov. 2012 TechLink
2011-2012

Cruze — Coolant leak at water pump

Replace the water pump and gasket. Replace the engine mount bolts.
Replace the water pump bolts. The gasket will fix the leak at the water pump bolts.
PI0762B

The initial PI0762A was saying: A Coolant Leak at Water Pump/bolts (11-Jul-2012); replace water pump, gasket and thermostat.

Why would the new PI ask for replacing engine mount bolts? How does this relate to coolant smell?
Yes, it WAS a typo, but it's been corrected now. It is the newest information available; found on page 9 in the November 2012 issue of GM TechLink:

http://sandyblogs.com/techlink/wp-content/uploads/2012/11/November-Techlink-2012.pdf

...bolts could be (a) wrong thread, (b) accidently penetrating into water jacket (bad!), or (c) needing "locking" against vibration-induced backing out, etc.
 

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advise

i dont know about cars ...i have cruze 2012 for 6 months and it is in the shop right now.problem??? water pump..my car was making a weird noise...Now they think they are going to get the parts next week so i dont have my car for few days....I hope they can fix soon ..i hate the rental car they gave me ughhh
Can you give me some advise to tell teh dealer about my car ( in case the mechanics will forget to check something)
thank you
 

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i dont know about cars ...i have cruze 2012 for 6 months and it is in the shop right now.problem??? water pump..my car was making a weird noise...Now they think they are going to get the parts next week so i dont have my car for few days....I hope they can fix soon ..i hate the rental car they gave me ughhh
Can you give me some advise to tell teh dealer about my car ( in case the mechanics will forget to check something)
thank you

nardiux79,
I would like to apologize for the issues you are experiencing with your Cruze. I do understand your concerns with this. Please keep me posted on the progress with your dealer. If you have any questions, comments or concerns please feel free to contact me anytime.
Thank you,
Stacy Chevrolet Customer Service
 

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I just had this done on my car tuesday. I dropped her off for an oil change at the dealer and they found leak and replaced my water pump.
 

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With regard to the water pump failures we've had reported, I'd like to touch base with everyone here and provide some information. I've been in direct contact with GM over the past week regarding this issue and believe the information I've learned could be of some use.

If you have any issue related to a loss of coolant, loss of heat, or rising engine temperatures and believe that you may have a leaking water pump, the best way to get it resolved is to contact Stacy directly and have her coordinate a visit to your local dealership. If you are not having any issues with your Cruze, there is no need for concern. While I cannot get into specifics regarding my conversations with GM, I can assure you that GM is standing behind the Cruze and has this issue under control. Should you have any questions, send Stacy a private message.
 
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