2026 Grand Design Lineage technical service bulletins
9 technical service bulletins and manufacturer communications cover the 2026 Grand Design Lineage.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- This bulletin describes the procedure to install the Compressor Power Relay Upgrade on affected Lineage units
- This bulletin describes the procedure to relocate the LP solenoid power source from the chassis battery to...
- This bulletin describes the procedure to replace the plastic threaded pivot fitting on the rain shower...
- This bulletin describes the procedure to connect the 12-volt side of the water heater using harness...
- AC may not cool efficiently
- N response to concerns the entry steps may unexpectedly deploy on the Grand Design Lineage Class C...
- Relates to concerns that the slide may not fully retract at the bottom, causing water intrusion
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