- GM says the taillight harness grommets may not be seated correctly.
- Dealership mechanics have been told to inspect taillight grommets.
- If necessary, the lights must be removed and the grommet reseated.
Things just keep getting worse for the 2027 Chevrolet Bolt. Soon after it was revealed that the all-electric hatchback’s planned production run has been slashed by roughly 75 percent, GM has had to issue a service update due to the possibility of a water leak with Bolts sitting at dealership lots.
The service notice – which is not the same as a safety recall – reveals that 2027 Bolt models may have partially seated taillight harness grommets. As such, water can work its way into the taillight. Only 2027 Bolt models at dealerships are involved, meaning customers who have already taken delivery don’t need to worry.
Read: Chevrolet Bolt Dies Next Year After A Disappointing Return
GM has instructed dealer mechanics to fold down the rear seats and look through the cutouts for the rear seat latch strikers so they can see the grommet. The taillights then need to be sprayed with water for at least one minute, and if any water is seen seeping through the grommet, a repair needs to be performed.
To do this, mechanics must remove the impacted taillight assembly and reseat the tail lamp grommet into the sheet metal. Once this is done, the light should be watertight, although dealers have been told to perform the water test for a second time to confirm.
In addition to the service notice impacting 2027 Bolt models at dealership lots, certified pre-owned vehicles will be de-certified until the inspection and, if necessary, the fix is performed.
Although the service notice doesn’t include Bolts already delivered to customers, owners could, in theory, follow this guide themselves if they’ve noticed any water getting into the taillights, since slight water intrusion isn’t a safety risk. But if you’re not much of a DIY-er, we’re sure a local Chevrolet dealership will be happy to perform the inspection, but it’ll probably cost you an arm and a leg.
News of this issue comes just days after it was revealed that production of the 2027 Bolt will cease when roughly 35,000 are built. Initially, Chevy had hoped to build 150,000 units, but demand for it clearly hasn’t met expectations. This comes despite the fact that it’s one of the most affordable new EVs in the country, starting at $27,600 excluding a $1,395 destination fee.
Â
