MR2 L4-1587cc 1.6L DOHC SC (4A-GZE) (1988)
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Check the turning smoothness of the idler pulley. If necessary, replace the idler pulley.
3. Inspect tension spring.
(a) Measure the free length of the tension spring,
if the free length is not as specified, replace the tension spring.
Free length: 43.5 mm (1.713 in.).
(b) Measure the tension of the tension spring at the specified installed length.
Installed tension: 9.97 kg (22.0 lb, 98 N-m) at 50.2 mm (1.976in.).
