# 2003 kia sorrento

**URL:** <https://community.cartalk.com/t/2003-kia-sorrento/22448>\
**Category:** Maintenance/Repairs\
**Created:** [November 23, 2008, 7:04pm UTC](https://community.cartalk.com/t/2003-kia-sorrento/22448 "2008-11-23T19:04:51Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![boatops](https://avatars.discourse-cdn.com/v4/letter/b/41988e/32.png) [@boatops](https://community.cartalk.com/u/boatops)\
**Post date:** [November 23, 2008, 7:04pm UTC](https://community.cartalk.com/t/2003-kia-sorrento/22448/1 "2008-11-23T19:04:51Z")

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I have a car problem, and being a retired backyard mechanic I they to fix most things myself. My problem is a 2003 KIA Sorrento which only gives heat when moving above 40mph. I replaced thermostat, it has no visible leaks, blend door seems to work. I’ve thought about loose water pump belt, bad W/P impeller, water control valve and all the horror stories found on Internet about Kia’s. I can’t find a repair manual which doesn’t help. Hoping someone might have some words of wisdom or just an idea. I live in Mastic NY

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**Author:** ![Joseph\_E\_Meehan](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/joseph_e_meehan/32/21_2.png) [@Joseph\_E\_Meehan](https://community.cartalk.com/u/Joseph_E_Meehan)\
**Post date:** [November 23, 2008, 8:09pm UTC](https://community.cartalk.com/t/2003-kia-sorrento/22448/2 "2008-11-23T20:09:02Z")

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My money would be on #2 “bad W/P impeller” Does this car have a timing belt? Is it an interference engine. If yes to the above, have you had a timing belt change? How many miles on it now.

If it were my car 2001 with 75,000 miles, I would get the timing belt and water pump changed. Generally a lot of the cost for either is the same so doing them both at the same time saves a lot of money.