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Old 04-18-2019, 04:32 PM   #11
Bobnoxious
 
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Default Re: 2.1L Warning. Codes - water pump replacement.

LI07.09-N-063338 allegedly has details related to this issue.
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Old 04-18-2019, 04:37 PM   #12
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Default Re: 2.1L Warning. Codes - water pump replacement.

Quote:
Originally Posted by srt4ny View Post
No i do alot of miles my 2015 just rolled over 300000.mi should i wait for it to fail
That's a tough call. I am a believer of "If it ain't broke don't fix it" mantra. However, 300k is significant miles. Perhaps consider scheduling pump R&R to coincide with serp belt and related component replacement?
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Old 04-20-2019, 03:03 AM   #13
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Default Re: 2.1L Warning. Codes - water pump replacement.

Quote:
Originally Posted by Bobnoxious View Post
LI07.09-N-063338 allegedly has details related to this issue.
You are correct sir, unfortunately it is not quite up to date as it was last updated in 2017 but here is the meat and potatoes of the document:

Complaint
Check engine light with some or all the following DTCs relating to the cooling / vacuum systems.

- P003313 - "The output for the switchover valve of bypass flap 'Charge air' has an electrical fault. There is an open circuit."

- P0299FA - "The boost pressure of turbocharger 1 is too low."

- P0299FB - "The boost pressure of turbocharger 1 is too low."

- P226100 - "The bypass flap 'Charge air' has a mechanical malfunction."

- P261F71 - "The output for the recirculation pump 'coolant' has a malfunction or does not switch on. The actuator is blocked."

- P012800 - "The coolant temperature is below the coolant thermostat specified temperature."

- P012809 - "The coolant temperature is below the coolant thermostat specified temperature. There is a component fault."


Cause
The above codes may be created by the following:

1- Vacuum Leak

2- Damaged O-Ring

3- Contamination: Coolant or Oil

4- Damaged water pump impeller

Remedy
1- Inspect the vacuum system for loose connections or cracked hoses

2- Smoke test or pressurize the system to detect a leak especially in the following known areas

-Water pump mounting plate

-Vacuum connection on water pump mounting plate

-Water pump O-ring

-Water pump vacuum line

-Water pump

-Vacuum manifold / Vacuum reservoir

Note: ONLY USE LOW PRESSURE MAXIMUM 1BAR / 14.7psi TO AVOID DAMAGES
3- Remove vacuum hoses from vacuum reservoir and look for the following

- Particulate matter

- Contamination of the inside of the vacuum connection

- Any signs of coolant and / or oil on the inside of vacuum connections on the vacuum reservoir

4 - Perform all Diagnostic procedure before replacing any parts.

5 - If coolant is found in the vacuum system replace the water pump, vacuum reservoir, change-over valve and clean the vacuum lines.

6 - If oil contamination is found in the vacuum system replace the vacuum pump, vacuum reservoir, Dashpot (Additional brake vacuum tank on 3500 models), brake booster and clean the vacuum lines.

7 - Remove and inspect water pump impeller for damage, replace as needed.
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Old 04-22-2019, 12:04 AM   #14
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Default Re: 2.1L Warning. Codes - water pump replacement.

Quote:
Originally Posted by 98Firebird View Post
You are correct sir, unfortunately it is not quite up to date as it was last updated in 2017 but here is the meat and potatoes of the document:



Complaint

Check engine light with some or all the following DTCs relating to the cooling / vacuum systems.



- P003313 - "The output for the switchover valve of bypass flap 'Charge air' has an electrical fault. There is an open circuit."



- P0299FA - "The boost pressure of turbocharger 1 is too low."



- P0299FB - "The boost pressure of turbocharger 1 is too low."



- P226100 - "The bypass flap 'Charge air' has a mechanical malfunction."



- P261F71 - "The output for the recirculation pump 'coolant' has a malfunction or does not switch on. The actuator is blocked."



- P012800 - "The coolant temperature is below the coolant thermostat specified temperature."



- P012809 - "The coolant temperature is below the coolant thermostat specified temperature. There is a component fault."





Cause

The above codes may be created by the following:



1- Vacuum Leak



2- Damaged O-Ring



3- Contamination: Coolant or Oil



4- Damaged water pump impeller



Remedy

1- Inspect the vacuum system for loose connections or cracked hoses



2- Smoke test or pressurize the system to detect a leak especially in the following known areas



-Water pump mounting plate



-Vacuum connection on water pump mounting plate



-Water pump O-ring



-Water pump vacuum line



-Water pump



-Vacuum manifold / Vacuum reservoir



Note: ONLY USE LOW PRESSURE MAXIMUM 1BAR / 14.7psi TO AVOID DAMAGES

3- Remove vacuum hoses from vacuum reservoir and look for the following



- Particulate matter



- Contamination of the inside of the vacuum connection



- Any signs of coolant and / or oil on the inside of vacuum connections on the vacuum reservoir



4 - Perform all Diagnostic procedure before replacing any parts.



5 - If coolant is found in the vacuum system replace the water pump, vacuum reservoir, change-over valve and clean the vacuum lines.



6 - If oil contamination is found in the vacuum system replace the vacuum pump, vacuum reservoir, Dashpot (Additional brake vacuum tank on 3500 models), brake booster and clean the vacuum lines.



7 - Remove and inspect water pump impeller for damage, replace as needed.


I have a weeping water pump at 55K. No codes or issues other than the result of weeping. Is this like a normal water pump change since no faults are present?

Thanks


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Old 04-22-2019, 07:54 PM   #15
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Default Re: 2.1L Warning. Codes - water pump replacement.

So there was no coolant in the vacuum lines when i changed the pump and changeover valve. It was just coming out the weep hole onto the ground. I've checked the vacuum system and the only line that seems to not hold vacuum is the larger line from the changeover valve to the water pump. So I'm thinking I need to go back in there and change the vacuum hook pipe and O ring that feeds the water pump clutch control. Does that sound about right??

Last edited by therealtimliu; 04-22-2019 at 08:04 PM.
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Old 04-22-2019, 08:12 PM   #16
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Default Re: Codes after water pump replacement. Need help please!

So there was no coolant in the vacuum lines when i changed the pump and changeover valve. It was just coming out the weep hole onto the ground. I've checked the vacuum system and the only line that seems to not hold vacuum is the larger line from the changeover valve to the water pump. So I'm thinking I need to go back in there and change the vacuum hook pipe and O ring that feeds the water pump clutch control. Does that sound about right??
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Old 04-23-2019, 03:24 PM   #17
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Default Re: 2.1L Warning. Codes - water pump replacement.

Check plastic vacuum reservoir for cracks?
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Old 05-04-2019, 10:45 PM   #18
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Default Re: 2.1L Warning. Codes - water pump replacement.

Well, as it happen my coolant is coming down in overflow tank. As I was reading this tread my knee got week and rush to check my water pump and vacuum lines. No sign of antifreeze. Good! Meantime I have vacuum lines to diverted valve and water pump disconnected. So I thought it would be great to have visual indication if antifreeze leak did happen and was getting into vacuum system. I have had on hand a see though fuel filter made of clear plastic so with couple length of silicon vacuum hose I made connection to water pump and diverted valve. It is located under air filter housing and right in front easy to see.
And I found coolant leak by one of clamps at the back of the engine. All good!
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Old 05-30-2019, 06:14 AM   #19
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Default Re: 2.1L Warning. Codes - water pump replacement.

Quote:
Originally Posted by Anjay View Post
Well, as it happen my coolant is coming down in overflow tank. As I was reading this tread my knee got week and rush to check my water pump and vacuum lines. No sign of antifreeze. Good! Meantime I have vacuum lines to diverted valve and water pump disconnected. So I thought it would be great to have visual indication if antifreeze leak did happen and was getting into vacuum system. I have had on hand a see though fuel filter made of clear plastic so with couple length of silicon vacuum hose I made connection to water pump and diverted valve. It is located under air filter housing and right in front easy to see.
And I found coolant leak by one of clamps at the back of the engine. All good!
That seems like a good idea what did you use like a fuel filter from a small engine will it restrict the air flow?
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Old 05-30-2019, 02:39 PM   #20
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Default Re: 2.1L Warning. Codes - water pump replacement.

Quote:
Originally Posted by Anjay View Post
... I have had on hand a see though fuel filter made of clear plastic so with couple length of silicon vacuum hose I made connection to water pump and diverted valve. It is located under air filter housing and right in front easy to see.
And I found coolant leak by one of clamps at the back of the engine. All good!
Thanks for the input.

A picture would be helpful for many.

vic
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