coolant
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2009 Mystery Coolant leak
I have a 2009 LMM with 135k on it. Its been deleted and tuned with H&S Mini maxx. Its been deleted since November of 2018. The EGR cooler is off. Ive been having issues with losing coolant since May. I've had it taken to a shop twice and they pressured it up and couldn't find a leak. I had...- MasterN8er
- Thread
- 2009 coolant deleted duramax lmm
- Replies: 11
- Forum: LMM
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Low coolant light and pressure on system, no overheating
I spun my harmonic balancer and went back with a SoCal Super Damp and ever since then I have had pressure on my coolant system and low coolant light would come on. I can leave it over night and the pressure drains off somehow and the coolant level rises back up to where it belongs. It was...- dspridgen
- Thread
- coolant gastket head pressure
- Replies: 4
- Forum: Fluids and Maintenance
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LB7: Is it injector Cups?
I know we have been having ungoing issues with losing coolant and overheating, but just recently, it stopped. Literally. Low Coolant light hasn't been on for weeks, usually it is an hour after we add coolant when it goes it. Funny, because it stopped acting up like the day after we bought head...