Here are a few quotes from Sri Guru Granth Sahib Ji on salvation:-
Page 33
ਸਬਦਿ ਮਰੈ ਤਾ ਉਧਰੈ ਪਾਏ ਮੋਖ ਦੁਆਰੁ ॥
Reference:: Sikh Philosophy Network http://www.sikhphilosophy.net/sikh-sikhi-sikhism/31084-is-salvation-possible-in-this-life.html
Sabaḏ marai ṯā uḏẖrai pā▫e mokẖ ḏu▫ār.
If one dies through the Shabad,
then salvation is obtained, and one finds the Door of Liberation.
Page 67
ਨਾਮਾ ਛੀਬਾ ਕਬੀਰੁ ਜਲਾਹਾ ਪੂਰੇ ਗੁਰ ਤੇ ਗਤਿ ਪਾਈ ॥
Nāmā cẖẖībā Kabīr jolāhā pūre gur ṯe gaṯ pā▫ī.
Naam Dayv the printer, and Kabeer the weaver,
obtained salvation through the Perfect Guru.
Page 82
ਮੈ ਧਰ ਨਾਮੁ ਅਧਾਰੁ ਹੈ ਹਰਿ ਨਾਮੈ ਤੇ ਗਤਿ ਮਤਿ ॥
Reference:: Sikh Philosophy Network http://www.sikhphilosophy.net/showthread.php?t=31084
Mai ḏẖar nām aḏẖār hai har nāmai ṯe gaṯ maṯ.
The Naam is my Support and Sustenance.
From the Lord's Name, I obtain salvation and understanding.
Page 98
ਦੀਨ ਦਇਆਲ ਗੋਪਾਲ ਗੋਬਿੰਦਾ ਹਰਿ ਧਿਆਵਹੁ ਗੁਰਮੁਖਿ ਗਾਤੀ ਜੀਉ ॥੧॥
Ḏīn ḏa▫i▫āl gopāl gobinḏā har ḏẖi▫āvahu gurmukẖ gāṯī jī▫o. ||1||
Merciful to the meek, Sustainer of the World,
Lord of the Universe-meditating on the Lord,
the Gurmukhs find salvation. ||1||
Page 114
ਪੂਰੈ ਗੁਰਿ ਪਾਈਐ ਮੋਖ ਦੁਆਰੁ ॥
Pūrai gur pā▫ī▫ai mokẖ ḏu▫ār.
Through the Perfect Guru, the gate of salvation is found.