Engine/Transmission (1998.5 - 2002) new cooler lines cause high engine temp

[Dallan]

i just had the front two transmission cooler lines replaced and when i got it back i noticed higher EGT and higher engine temp. what would cause this.

 

[TAbbott]

Better ground??

 

[Dallan]

better gorund on what?

 

[TAbbott]

If your guages are electrical and you improved upon a poor ground, the guages would read higher. Otherwise, the options are 1) You're putting more load on the truck, using more power and thereby generating more heat which is showing up on your guages; or 2) The lines you installed are someway restricting the flow of fluid through the cooler, reducing the cooling effect of the cooler itself; or 3) The lines you installed are passing more fluid through them, increasing the delta between the air temps on either side of the cooler, causing higher temperature air to hit the cooling system radiator, resulting in it's being less effective; or 4) Maybe the ambient temperature rose between your trips; or finally maybe you somehow disturbed a charge air cooler clamp or hit the charge air cooler, breaking a tube or leaned on it and broke a seam when you were working on your truck and now have a boost leak that you didn't have before. A charge air leak will cause higher water temps as well as higher EGT's.

 

[BILLVO]

I would check your lower turbo intercooler boots. It may be they had to remove one to get the new lines routed. Maybe 1 blew off and or they forgot to tighten the clamp and it is just losing some boost. Your symptoms could both be low boost related. Are you noticing any more exhaust smoke?



Double check the coolant level also, they maybe drained to remove lower radiator hose to route new hoses also and didn't get it topped off.

 

[Dallan]

the smokes the same as well as boost