How to replace the EGR Tube on Cadillac DeVille?

Starting the replacement of the exhaust gas recirculation (EGR) pipe requires removing the bolt attached to the water crossover housing first. Begin by elevating and supporting the automobile. The egr valve pipe requires disconnection when its nut is loosened at the Exhaust Manifold position. First install the egr pipe then tighten its nut to 60 n.m (44 lb ft). After lowering the vehicle secure the bolt near the water crossover housing by torquing it to 24 n.m (18 lb ft).

OEM Cadillac DeVille EGR Tube

EGR Hose

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Cadillac DeVille EGR Pipe Part Number: 12567659
Product Specifications
- Other Name: Pipe Assembly-EGR Valve; EGR Tube; Outlet Pipe; Tube; Pipe, Emission System
- Replaces: 12558019
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2000-2005 Cadillac DeVille | Base, DHS, DTS, Protection Series | 8 Cyl 4.6 L GAS

Cadillac DeVille EGR Tube

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Cadillac DeVille EGR Tube is a significant factor on Cadillac DeVille cars, mainly recognized for its function in eradicating poisonous nitrogen oxide (NOx) emission. The EGR Tube works by returning a portion of the circulated exhaust gases back into the intake manifold of the engine; reducing the combustion temperature thus increasing efficiency and safety. This feature is quite important in manifold Cadillac DeVille models; in the EGR Tube of which the architecture and material vary depending on current emission standards when liabilities and performance remain a priority. Some of the problems that are easy to notice include louder idle or low RPM vibrations and light check engine light, which commonly lead to a malfunctioning EGR Tube; this just goes to show that regular maintenance would hinder such complications from arising hence leading to a higher level of emission. The Cadillac DeVille is a line of luxury automobiles with historical significance; for years, every DeVille has taken advantage of improved technology, and the EGR Tube is no exception. That the heads lifted out of the block for the first DeVille engines in '71 are the same ones used today in a current DeVille speaks of the ability and endurance in the automotive world. Moreover, the technological role of the Cadillac DeVille EGR Tube in the operation of the engine, and the role it plays for environmental conservation consolidates the gadget's necessity. The Cadillac DeVille has proven the brand's quality by having the premier combination of timeless luxury and modern engineering; That is why it is essential for the EGR Tube to sustain this extraordinary car model.

Cadillac DeVille EGR Tube Parts and Q&A

EGR Pipe
12567659
Q: How to replace the EGR Tube on Cadillac DeVille?
A:
Starting the replacement of the exhaust gas recirculation (EGR) pipe requires removing the bolt attached to the water crossover housing first. Begin by elevating and supporting the automobile. The egr valve pipe requires disconnection when its nut is loosened at the Exhaust Manifold position. First install the egr pipe then tighten its nut to 60 n.m (44 lb ft). After lowering the vehicle secure the bolt near the water crossover housing by torquing it to 24 n.m (18 lb ft).