# 1987 Chevrolet El Camino - when to replace harmonic balancer?

**URL:** <https://community.cartalk.com/t/1987-chevrolet-el-camino-when-to-replace-harmonic-balancer/133851>\
**Category:** Maintenance/Repairs\
**Tags:** chevrolet, el-camino\
**Created:** [February 2, 2019, 10:31pm UTC](https://community.cartalk.com/t/1987-chevrolet-el-camino-when-to-replace-harmonic-balancer/133851 "2019-02-02T22:31:10Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![LorenKerns](https://avatars.discourse-cdn.com/v4/letter/l/d9b06d/32.png) [@LorenKerns](https://community.cartalk.com/u/LorenKerns)\
**Post date:** [February 2, 2019, 10:31pm UTC](https://community.cartalk.com/t/1987-chevrolet-el-camino-when-to-replace-harmonic-balancer/133851/1 "2019-02-02T22:31:10Z")

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Do you wait for the timing to start jumping around, or is the harmonic balancer replaced after a finite mileage?

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**Author:** ![Mustangman](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/mustangman/32/44130_2.png) [@Mustangman](https://community.cartalk.com/u/Mustangman)\
**Post date:** [February 3, 2019, 12:16am UTC](https://community.cartalk.com/t/1987-chevrolet-el-camino-when-to-replace-harmonic-balancer/133851/2 "2019-02-03T00:16:13Z")

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Neither. You replace the balancer when the outer ring slips relative to the inner hub.