# 2004 Buick Rendezvous engine keeps overheating

**URL:** <https://community.cartalk.com/t/2004-buick-rendezvous-engine-keeps-overheating/132322>\
**Category:** Maintenance/Repairs\
**Tags:** rendezvous, buick\
**Created:** [January 9, 2019, 8:10pm UTC](https://community.cartalk.com/t/2004-buick-rendezvous-engine-keeps-overheating/132322 "2019-01-09T20:10:59Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![mark57](https://avatars.discourse-cdn.com/v4/letter/m/8e7dd6/32.png) [@mark57](https://community.cartalk.com/u/mark57)\
**Post date:** [January 9, 2019, 8:10pm UTC](https://community.cartalk.com/t/2004-buick-rendezvous-engine-keeps-overheating/132322/1 "2019-01-09T20:10:59Z")

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eng continues to overheat in 2004 buick rendezvous with 3.4 new thermostat, new cap , flushed and refill new top hose . still overheating

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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:** [January 9, 2019, 8:16pm UTC](https://community.cartalk.com/t/2004-buick-rendezvous-engine-keeps-overheating/132322/2 "2019-01-09T20:16:48Z")

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Maybe leaking intake manifold gaskets or possible head gasket.

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**Author:** ![mark57](https://avatars.discourse-cdn.com/v4/letter/m/8e7dd6/32.png) [@mark57](https://community.cartalk.com/u/mark57)\
**Post date:** [January 9, 2019, 8:25pm UTC](https://community.cartalk.com/t/2004-buick-rendezvous-engine-keeps-overheating/132322/3 "2019-01-09T20:25:13Z")

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never low on antifreeze it is always blown back into reservoir

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<div class="post-metadata">

**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:** [January 9, 2019, 8:35pm UTC](https://community.cartalk.com/t/2004-buick-rendezvous-engine-keeps-overheating/132322/4 "2019-01-09T20:35:27Z")

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Clogged radiator maybe? Exactly when does it overheat? In slow traffic? Highway use? Does the electric cooling fan come on when hot? Does a second fan, or does the single fan run faster when the AC is turned on?