Passengers travelling north who need to get off at Jesmond are being advised to continue to West Jesmond before travelling back on a southbound service.
Those who want to board at Jesmond and head towards Gosforth are advised to travel to Haymarket station and get on a northbound train there.
Nexus said there will be additional staff at West Jesmond during the start of the first school week to assist with travel.
Ben Brooks, head of engineering at Nexus, told the Local Democracy Reporting Service the temporary closure “is a precautionary step to keep everyone safe”.
“We are working closely with Stadler to investigate this isolated issue further.
“The roll out of the new Metro fleet will continue.”