Calculating Overall Gear Ratio "I - Volkswagen Golf Variant 2007 Service Manual

3

Calculating overall gear ratio "i"

Example:
Drive gear
Driven gear
i = Z 2 : Z 1
1)
i G = Gear ratio = ZG 2 : ZG 1 = 34 : 45 = 0.756
i A = Final drive ratio = ZA 2 : ZA 1 = 60 : 18 = 3.389
i total = Overall ratio = i G x i A = 0.756 x 3.389 = 2.562
1) Z 1 = No. of teeth on driving gear, Z 2 = No. of teeth on driven gear
Golf Variant 2007 ➤ , Golf Variant 2010 ➤ , Jetta 2005 ➤
6th gear Final drive
ZG 1 = 45 ZA 1 = 18
ZG 2 = 34 ZA 2 = 60
6-speed manual gearbox 02S - Edition 07.2009
3. Calculating overall gear ratio "i"
7