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Dealer says cylinder sleeve slipped down 1/8th inch. is this…

Customer Question
Dealer says cylinder sleeve...

Dealer says cylinder sleeve slipped down 1/8th inch. is this possible on 4.2i6 GM engine? JY

Mechanic's Assistant: How many miles are on the car? Is it an automatic or a manual transmission?

142000 mi automatic

Mechanic's Assistant: What is the model/year of your GM?

2005 trailblazer

Mechanic's Assistant: Are you fixing your Trailblazer yourself? What have you tried so far?

Engine overheats after 50 miles and looses coolant

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

Engine starts and runs smoothly

Submitted: 11 months ago.Category: Chevy
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Answered in 5 minutes by:
9/18/2017
Chevy Mechanic: Gary, Chevy Technician replied 11 months ago
Gary
Gary, Chevy Technician
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Satisfied Customers: 18,026
Experience: 15 years GM master tech
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Chevy Mechanic: Gary, Chevy Technician replied 11 months ago

yes it is

all 6 cylinders have sleeves in them and they can crack and slide up or down to cause this type of issue

if there is coolant going into a cylinder or into the crank case the odds are a sleeve slipped or there is a head gasket or cylinder head failure

please dont forget to rate me here at Justanswer

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Chevy Mechanic: Gary, Chevy Technician replied 11 months ago

please dont forget to rate me here at Justanswer

you can always get me back for FREE for any follow up any time with this question even after you rate me here at Justanswer

if you have any questions please ask as i do not get credit for my work until you rate me here at Justanswer

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Chevy Mechanic: Gary, Chevy Technician replied 10 months ago

are you still there ?

please dont forget to rate me here at Justanswer you can always get me back for FREE for any follow up any time with this question even after you rate me here at Justanswer if you have any questions please ask as i do not get credit for my work until you rate me here at Justanswer
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