# 1998 Ford Expedition - Taps

**URL:** <https://community.cartalk.com/t/1998-ford-expedition-taps/147880>\
**Category:** Maintenance/Repairs\
**Tags:** ford\
**Created:** [August 31, 2019, 2:59pm UTC](https://community.cartalk.com/t/1998-ford-expedition-taps/147880 "2019-08-31T14:59:20Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![faatonu](https://avatars.discourse-cdn.com/v4/letter/f/d6d6ee/32.png) [@faatonu](https://community.cartalk.com/u/faatonu)\
**Post date:** [August 31, 2019, 2:59pm UTC](https://community.cartalk.com/t/1998-ford-expedition-taps/147880/1 "2019-08-31T14:59:21Z")

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the engine sounds smooth when i start the car but as soon as i shift to the drive or the reverse positions the engine sounds like a tap tap noise but still runs good…

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**Author:** ![Cavell](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/cavell/32/43396_2.png) [@Cavell](https://community.cartalk.com/u/Cavell)\
**Post date:** [September 1, 2019, 1:01pm UTC](https://community.cartalk.com/t/1998-ford-expedition-taps/147880/2 "2019-09-01T13:01:35Z")

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ford exp ohc motor lifter tap? google it. 21yrs old. xxx miles? frequent oil changes? full service history?  
How many miles?

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**Author:** ![Scrapyard-John](https://avatars.discourse-cdn.com/v4/letter/s/f6c823/32.png) [@Scrapyard-John](https://community.cartalk.com/u/Scrapyard-John)\
**Post date:** [September 2, 2019, 2:48am UTC](https://community.cartalk.com/t/1998-ford-expedition-taps/147880/3 "2019-09-02T02:48:55Z")

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Could be one of the torque converter bolts has backed out, since it only happens in gear. Not sure how to test that theory.