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Chevrolet Express
Platform: GMT Van

Cooler lines question

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Old Aug 28, 2020 | 8:02 AM
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xry1
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Default Cooler lines question
Express 2500 6.0

When replacing the oil cooler lines does the coolant or oils have to be drained?

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Old Aug 28, 2020 | 9:03 AM
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no. some will spill out so have 1 liter on hand to top off after replacement
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Old Aug 28, 2020 | 11:10 AM
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Thank you, Im assuming you mean a bit of oil will spill. The coolant is not in those lines.
Last edited by xry1; Aug 28, 2020 at 11:26 AM.
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Old Aug 28, 2020 | 9:15 PM
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no idea of your model year but all older gm oil coolers are air to air coolers so there is no connection to coolant
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